diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
index c3e1fd8b..5cf936fd 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java
@@ -16,16 +16,26 @@
 
 package com.google.cloud.documentai.v1beta3;
 
+import com.google.api.core.ApiFunction;
+import com.google.api.core.ApiFuture;
+import com.google.api.core.ApiFutures;
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.longrunning.OperationFuture;
+import com.google.api.gax.paging.AbstractFixedSizeCollection;
+import com.google.api.gax.paging.AbstractPage;
+import com.google.api.gax.paging.AbstractPagedListResponse;
 import com.google.api.gax.rpc.OperationCallable;
+import com.google.api.gax.rpc.PageContext;
 import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.documentai.v1beta3.stub.DocumentProcessorServiceStub;
 import com.google.cloud.documentai.v1beta3.stub.DocumentProcessorServiceStubSettings;
+import com.google.common.util.concurrent.MoreExecutors;
 import com.google.longrunning.Operation;
 import com.google.longrunning.OperationsClient;
+import com.google.protobuf.Empty;
 import java.io.IOException;
+import java.util.List;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Generated;
 
@@ -406,6 +416,646 @@ public final UnaryCallable<BatchProcessRequest, Operation> batchProcessDocuments
     return stub.batchProcessDocumentsCallable();
   }
 
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Fetches processor types.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   FetchProcessorTypesResponse response =
+   *       documentProcessorServiceClient.fetchProcessorTypes(parent);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The project of processor type to list. Format:
+   *     projects/{project}/locations/{location}
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final FetchProcessorTypesResponse fetchProcessorTypes(LocationName parent) {
+    FetchProcessorTypesRequest request =
+        FetchProcessorTypesRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return fetchProcessorTypes(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Fetches processor types.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   String parent =
+   *       ProcessorTypeName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR_TYPE]").toString();
+   *   FetchProcessorTypesResponse response =
+   *       documentProcessorServiceClient.fetchProcessorTypes(parent);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The project of processor type to list. Format:
+   *     projects/{project}/locations/{location}
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final FetchProcessorTypesResponse fetchProcessorTypes(String parent) {
+    FetchProcessorTypesRequest request =
+        FetchProcessorTypesRequest.newBuilder().setParent(parent).build();
+    return fetchProcessorTypes(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Fetches processor types.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   FetchProcessorTypesRequest request =
+   *       FetchProcessorTypesRequest.newBuilder()
+   *           .setParent(
+   *               ProcessorTypeName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR_TYPE]").toString())
+   *           .build();
+   *   FetchProcessorTypesResponse response =
+   *       documentProcessorServiceClient.fetchProcessorTypes(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final FetchProcessorTypesResponse fetchProcessorTypes(FetchProcessorTypesRequest request) {
+    return fetchProcessorTypesCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Fetches processor types.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   FetchProcessorTypesRequest request =
+   *       FetchProcessorTypesRequest.newBuilder()
+   *           .setParent(
+   *               ProcessorTypeName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR_TYPE]").toString())
+   *           .build();
+   *   ApiFuture<FetchProcessorTypesResponse> future =
+   *       documentProcessorServiceClient.fetchProcessorTypesCallable().futureCall(request);
+   *   // Do something.
+   *   FetchProcessorTypesResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesCallable() {
+    return stub.fetchProcessorTypesCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists all processors which belong to this project.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   for (Processor element : documentProcessorServiceClient.listProcessors(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent (project and location) which owns this collection of
+   *     Processors. Format: projects/{project}/locations/{location}
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListProcessorsPagedResponse listProcessors(LocationName parent) {
+    ListProcessorsRequest request =
+        ListProcessorsRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .build();
+    return listProcessors(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists all processors which belong to this project.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   String parent = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString();
+   *   for (Processor element : documentProcessorServiceClient.listProcessors(parent).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent (project and location) which owns this collection of
+   *     Processors. Format: projects/{project}/locations/{location}
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListProcessorsPagedResponse listProcessors(String parent) {
+    ListProcessorsRequest request = ListProcessorsRequest.newBuilder().setParent(parent).build();
+    return listProcessors(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists all processors which belong to this project.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   ListProcessorsRequest request =
+   *       ListProcessorsRequest.newBuilder()
+   *           .setParent(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   for (Processor element :
+   *       documentProcessorServiceClient.listProcessors(request).iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final ListProcessorsPagedResponse listProcessors(ListProcessorsRequest request) {
+    return listProcessorsPagedCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists all processors which belong to this project.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   ListProcessorsRequest request =
+   *       ListProcessorsRequest.newBuilder()
+   *           .setParent(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   ApiFuture<Processor> future =
+   *       documentProcessorServiceClient.listProcessorsPagedCallable().futureCall(request);
+   *   // Do something.
+   *   for (Processor element : future.get().iterateAll()) {
+   *     // doThingsWith(element);
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListProcessorsRequest, ListProcessorsPagedResponse>
+      listProcessorsPagedCallable() {
+    return stub.listProcessorsPagedCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Lists all processors which belong to this project.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   ListProcessorsRequest request =
+   *       ListProcessorsRequest.newBuilder()
+   *           .setParent(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .setPageSize(883849137)
+   *           .setPageToken("pageToken873572522")
+   *           .build();
+   *   while (true) {
+   *     ListProcessorsResponse response =
+   *         documentProcessorServiceClient.listProcessorsCallable().call(request);
+   *     for (Processor element : response.getResponsesList()) {
+   *       // doThingsWith(element);
+   *     }
+   *     String nextPageToken = response.getNextPageToken();
+   *     if (!Strings.isNullOrEmpty(nextPageToken)) {
+   *       request = request.toBuilder().setPageToken(nextPageToken).build();
+   *     } else {
+   *       break;
+   *     }
+   *   }
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<ListProcessorsRequest, ListProcessorsResponse>
+      listProcessorsCallable() {
+    return stub.listProcessorsCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a processor from the type processor that the user chose. The processor will be at
+   * "ENABLED" state by default after its creation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+   *   Processor processor = Processor.newBuilder().build();
+   *   Processor response = documentProcessorServiceClient.createProcessor(parent, processor);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent (project and location) under which to create the processor.
+   *     Format: projects/{project}/locations/{location}
+   * @param processor Required. The processor to be created, requires [processor_type] and
+   *     [display_name] to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Processor createProcessor(LocationName parent, Processor processor) {
+    CreateProcessorRequest request =
+        CreateProcessorRequest.newBuilder()
+            .setParent(parent == null ? null : parent.toString())
+            .setProcessor(processor)
+            .build();
+    return createProcessor(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a processor from the type processor that the user chose. The processor will be at
+   * "ENABLED" state by default after its creation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   String parent = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString();
+   *   Processor processor = Processor.newBuilder().build();
+   *   Processor response = documentProcessorServiceClient.createProcessor(parent, processor);
+   * }
+   * }</pre>
+   *
+   * @param parent Required. The parent (project and location) under which to create the processor.
+   *     Format: projects/{project}/locations/{location}
+   * @param processor Required. The processor to be created, requires [processor_type] and
+   *     [display_name] to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Processor createProcessor(String parent, Processor processor) {
+    CreateProcessorRequest request =
+        CreateProcessorRequest.newBuilder().setParent(parent).setProcessor(processor).build();
+    return createProcessor(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a processor from the type processor that the user chose. The processor will be at
+   * "ENABLED" state by default after its creation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   CreateProcessorRequest request =
+   *       CreateProcessorRequest.newBuilder()
+   *           .setParent(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .setProcessor(Processor.newBuilder().build())
+   *           .build();
+   *   Processor response = documentProcessorServiceClient.createProcessor(request);
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final Processor createProcessor(CreateProcessorRequest request) {
+    return createProcessorCallable().call(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Creates a processor from the type processor that the user chose. The processor will be at
+   * "ENABLED" state by default after its creation.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   CreateProcessorRequest request =
+   *       CreateProcessorRequest.newBuilder()
+   *           .setParent(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .setProcessor(Processor.newBuilder().build())
+   *           .build();
+   *   ApiFuture<Processor> future =
+   *       documentProcessorServiceClient.createProcessorCallable().futureCall(request);
+   *   // Do something.
+   *   Processor response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<CreateProcessorRequest, Processor> createProcessorCallable() {
+    return stub.createProcessorCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes
+   * all artifacts associated with this processor.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   ProcessorName name = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]");
+   *   documentProcessorServiceClient.deleteProcessorAsync(name).get();
+   * }
+   * }</pre>
+   *
+   * @param name Required. The processor resource name to be deleted.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<Empty, DeleteProcessorMetadata> deleteProcessorAsync(
+      ProcessorName name) {
+    DeleteProcessorRequest request =
+        DeleteProcessorRequest.newBuilder().setName(name == null ? null : name.toString()).build();
+    return deleteProcessorAsync(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes
+   * all artifacts associated with this processor.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   String name = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString();
+   *   documentProcessorServiceClient.deleteProcessorAsync(name).get();
+   * }
+   * }</pre>
+   *
+   * @param name Required. The processor resource name to be deleted.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<Empty, DeleteProcessorMetadata> deleteProcessorAsync(String name) {
+    DeleteProcessorRequest request = DeleteProcessorRequest.newBuilder().setName(name).build();
+    return deleteProcessorAsync(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes
+   * all artifacts associated with this processor.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DeleteProcessorRequest request =
+   *       DeleteProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   documentProcessorServiceClient.deleteProcessorAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<Empty, DeleteProcessorMetadata> deleteProcessorAsync(
+      DeleteProcessorRequest request) {
+    return deleteProcessorOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes
+   * all artifacts associated with this processor.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DeleteProcessorRequest request =
+   *       DeleteProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   OperationFuture<Empty, DeleteProcessorMetadata> future =
+   *       documentProcessorServiceClient.deleteProcessorOperationCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationCallable() {
+    return stub.deleteProcessorOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Deletes the processor, unloads all deployed model artifacts if it was enabled and then deletes
+   * all artifacts associated with this processor.
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DeleteProcessorRequest request =
+   *       DeleteProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       documentProcessorServiceClient.deleteProcessorCallable().futureCall(request);
+   *   // Do something.
+   *   future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<DeleteProcessorRequest, Operation> deleteProcessorCallable() {
+    return stub.deleteProcessorCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Enables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   EnableProcessorRequest request =
+   *       EnableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   EnableProcessorResponse response =
+   *       documentProcessorServiceClient.enableProcessorAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorAsync(EnableProcessorRequest request) {
+    return enableProcessorOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Enables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   EnableProcessorRequest request =
+   *       EnableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   OperationFuture<EnableProcessorResponse, EnableProcessorMetadata> future =
+   *       documentProcessorServiceClient.enableProcessorOperationCallable().futureCall(request);
+   *   // Do something.
+   *   EnableProcessorResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<
+          EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationCallable() {
+    return stub.enableProcessorOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Enables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   EnableProcessorRequest request =
+   *       EnableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       documentProcessorServiceClient.enableProcessorCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<EnableProcessorRequest, Operation> enableProcessorCallable() {
+    return stub.enableProcessorCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Disables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DisableProcessorRequest request =
+   *       DisableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   DisableProcessorResponse response =
+   *       documentProcessorServiceClient.disableProcessorAsync(request).get();
+   * }
+   * }</pre>
+   *
+   * @param request The request object containing all of the parameters for the API call.
+   * @throws com.google.api.gax.rpc.ApiException if the remote call fails
+   */
+  public final OperationFuture<DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorAsync(DisableProcessorRequest request) {
+    return disableProcessorOperationCallable().futureCall(request);
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Disables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DisableProcessorRequest request =
+   *       DisableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   OperationFuture<DisableProcessorResponse, DisableProcessorMetadata> future =
+   *       documentProcessorServiceClient.disableProcessorOperationCallable().futureCall(request);
+   *   // Do something.
+   *   DisableProcessorResponse response = future.get();
+   * }
+   * }</pre>
+   */
+  public final OperationCallable<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationCallable() {
+    return stub.disableProcessorOperationCallable();
+  }
+
+  // AUTO-GENERATED DOCUMENTATION AND METHOD.
+  /**
+   * Disables a processor
+   *
+   * <p>Sample code:
+   *
+   * <pre>{@code
+   * try (DocumentProcessorServiceClient documentProcessorServiceClient =
+   *     DocumentProcessorServiceClient.create()) {
+   *   DisableProcessorRequest request =
+   *       DisableProcessorRequest.newBuilder()
+   *           .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+   *           .build();
+   *   ApiFuture<Operation> future =
+   *       documentProcessorServiceClient.disableProcessorCallable().futureCall(request);
+   *   // Do something.
+   *   Operation response = future.get();
+   * }
+   * }</pre>
+   */
+  public final UnaryCallable<DisableProcessorRequest, Operation> disableProcessorCallable() {
+    return stub.disableProcessorCallable();
+  }
+
   // AUTO-GENERATED DOCUMENTATION AND METHOD.
   /**
    * Send a document for Human Review. The input document should be processed by the specified
@@ -479,6 +1129,7 @@ public final UnaryCallable<BatchProcessRequest, Operation> batchProcessDocuments
    *           .setHumanReviewConfig(
    *               HumanReviewConfigName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
    *           .setDocument(Document.newBuilder().build())
+   *           .setEnableSchemaValidation(true)
    *           .build();
    *   ReviewDocumentResponse response =
    *       documentProcessorServiceClient.reviewDocumentAsync(request).get();
@@ -508,6 +1159,7 @@ public final UnaryCallable<BatchProcessRequest, Operation> batchProcessDocuments
    *           .setHumanReviewConfig(
    *               HumanReviewConfigName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
    *           .setDocument(Document.newBuilder().build())
+   *           .setEnableSchemaValidation(true)
    *           .build();
    *   OperationFuture<ReviewDocumentResponse, ReviewDocumentOperationMetadata> future =
    *       documentProcessorServiceClient.reviewDocumentOperationCallable().futureCall(request);
@@ -537,6 +1189,7 @@ public final UnaryCallable<BatchProcessRequest, Operation> batchProcessDocuments
    *           .setHumanReviewConfig(
    *               HumanReviewConfigName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
    *           .setDocument(Document.newBuilder().build())
+   *           .setEnableSchemaValidation(true)
    *           .build();
    *   ApiFuture<Operation> future =
    *       documentProcessorServiceClient.reviewDocumentCallable().futureCall(request);
@@ -578,4 +1231,85 @@ public void shutdownNow() {
   public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
     return stub.awaitTermination(duration, unit);
   }
+
+  public static class ListProcessorsPagedResponse
+      extends AbstractPagedListResponse<
+          ListProcessorsRequest,
+          ListProcessorsResponse,
+          Processor,
+          ListProcessorsPage,
+          ListProcessorsFixedSizeCollection> {
+
+    public static ApiFuture<ListProcessorsPagedResponse> createAsync(
+        PageContext<ListProcessorsRequest, ListProcessorsResponse, Processor> context,
+        ApiFuture<ListProcessorsResponse> futureResponse) {
+      ApiFuture<ListProcessorsPage> futurePage =
+          ListProcessorsPage.createEmptyPage().createPageAsync(context, futureResponse);
+      return ApiFutures.transform(
+          futurePage,
+          new ApiFunction<ListProcessorsPage, ListProcessorsPagedResponse>() {
+            @Override
+            public ListProcessorsPagedResponse apply(ListProcessorsPage input) {
+              return new ListProcessorsPagedResponse(input);
+            }
+          },
+          MoreExecutors.directExecutor());
+    }
+
+    private ListProcessorsPagedResponse(ListProcessorsPage page) {
+      super(page, ListProcessorsFixedSizeCollection.createEmptyCollection());
+    }
+  }
+
+  public static class ListProcessorsPage
+      extends AbstractPage<
+          ListProcessorsRequest, ListProcessorsResponse, Processor, ListProcessorsPage> {
+
+    private ListProcessorsPage(
+        PageContext<ListProcessorsRequest, ListProcessorsResponse, Processor> context,
+        ListProcessorsResponse response) {
+      super(context, response);
+    }
+
+    private static ListProcessorsPage createEmptyPage() {
+      return new ListProcessorsPage(null, null);
+    }
+
+    @Override
+    protected ListProcessorsPage createPage(
+        PageContext<ListProcessorsRequest, ListProcessorsResponse, Processor> context,
+        ListProcessorsResponse response) {
+      return new ListProcessorsPage(context, response);
+    }
+
+    @Override
+    public ApiFuture<ListProcessorsPage> createPageAsync(
+        PageContext<ListProcessorsRequest, ListProcessorsResponse, Processor> context,
+        ApiFuture<ListProcessorsResponse> futureResponse) {
+      return super.createPageAsync(context, futureResponse);
+    }
+  }
+
+  public static class ListProcessorsFixedSizeCollection
+      extends AbstractFixedSizeCollection<
+          ListProcessorsRequest,
+          ListProcessorsResponse,
+          Processor,
+          ListProcessorsPage,
+          ListProcessorsFixedSizeCollection> {
+
+    private ListProcessorsFixedSizeCollection(List<ListProcessorsPage> pages, int collectionSize) {
+      super(pages, collectionSize);
+    }
+
+    private static ListProcessorsFixedSizeCollection createEmptyCollection() {
+      return new ListProcessorsFixedSizeCollection(null, 0);
+    }
+
+    @Override
+    protected ListProcessorsFixedSizeCollection createCollection(
+        List<ListProcessorsPage> pages, int collectionSize) {
+      return new ListProcessorsFixedSizeCollection(pages, collectionSize);
+    }
+  }
 }
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
index 02121ae1..1ef54e0c 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceSettings.java
@@ -16,6 +16,8 @@
 
 package com.google.cloud.documentai.v1beta3;
 
+import static com.google.cloud.documentai.v1beta3.DocumentProcessorServiceClient.ListProcessorsPagedResponse;
+
 import com.google.api.core.ApiFunction;
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.GoogleCredentialsProvider;
@@ -25,10 +27,12 @@
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.ClientSettings;
 import com.google.api.gax.rpc.OperationCallSettings;
+import com.google.api.gax.rpc.PagedCallSettings;
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.api.gax.rpc.UnaryCallSettings;
 import com.google.cloud.documentai.v1beta3.stub.DocumentProcessorServiceStubSettings;
 import com.google.longrunning.Operation;
+import com.google.protobuf.Empty;
 import java.io.IOException;
 import java.util.List;
 import javax.annotation.Generated;
@@ -89,6 +93,62 @@ public UnaryCallSettings<BatchProcessRequest, Operation> batchProcessDocumentsSe
         .batchProcessDocumentsOperationSettings();
   }
 
+  /** Returns the object with the settings used for calls to fetchProcessorTypes. */
+  public UnaryCallSettings<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).fetchProcessorTypesSettings();
+  }
+
+  /** Returns the object with the settings used for calls to listProcessors. */
+  public PagedCallSettings<
+          ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+      listProcessorsSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).listProcessorsSettings();
+  }
+
+  /** Returns the object with the settings used for calls to createProcessor. */
+  public UnaryCallSettings<CreateProcessorRequest, Processor> createProcessorSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).createProcessorSettings();
+  }
+
+  /** Returns the object with the settings used for calls to deleteProcessor. */
+  public UnaryCallSettings<DeleteProcessorRequest, Operation> deleteProcessorSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).deleteProcessorSettings();
+  }
+
+  /** Returns the object with the settings used for calls to deleteProcessor. */
+  public OperationCallSettings<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings())
+        .deleteProcessorOperationSettings();
+  }
+
+  /** Returns the object with the settings used for calls to enableProcessor. */
+  public UnaryCallSettings<EnableProcessorRequest, Operation> enableProcessorSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).enableProcessorSettings();
+  }
+
+  /** Returns the object with the settings used for calls to enableProcessor. */
+  public OperationCallSettings<
+          EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings())
+        .enableProcessorOperationSettings();
+  }
+
+  /** Returns the object with the settings used for calls to disableProcessor. */
+  public UnaryCallSettings<DisableProcessorRequest, Operation> disableProcessorSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings()).disableProcessorSettings();
+  }
+
+  /** Returns the object with the settings used for calls to disableProcessor. */
+  public OperationCallSettings<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationSettings() {
+    return ((DocumentProcessorServiceStubSettings) getStubSettings())
+        .disableProcessorOperationSettings();
+  }
+
   /** Returns the object with the settings used for calls to reviewDocument. */
   public UnaryCallSettings<ReviewDocumentRequest, Operation> reviewDocumentSettings() {
     return ((DocumentProcessorServiceStubSettings) getStubSettings()).reviewDocumentSettings();
@@ -219,6 +279,60 @@ public UnaryCallSettings.Builder<ProcessRequest, ProcessResponse> processDocumen
       return getStubSettingsBuilder().batchProcessDocumentsOperationSettings();
     }
 
+    /** Returns the builder for the settings used for calls to fetchProcessorTypes. */
+    public UnaryCallSettings.Builder<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+        fetchProcessorTypesSettings() {
+      return getStubSettingsBuilder().fetchProcessorTypesSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to listProcessors. */
+    public PagedCallSettings.Builder<
+            ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+        listProcessorsSettings() {
+      return getStubSettingsBuilder().listProcessorsSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to createProcessor. */
+    public UnaryCallSettings.Builder<CreateProcessorRequest, Processor> createProcessorSettings() {
+      return getStubSettingsBuilder().createProcessorSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to deleteProcessor. */
+    public UnaryCallSettings.Builder<DeleteProcessorRequest, Operation> deleteProcessorSettings() {
+      return getStubSettingsBuilder().deleteProcessorSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to deleteProcessor. */
+    public OperationCallSettings.Builder<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+        deleteProcessorOperationSettings() {
+      return getStubSettingsBuilder().deleteProcessorOperationSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to enableProcessor. */
+    public UnaryCallSettings.Builder<EnableProcessorRequest, Operation> enableProcessorSettings() {
+      return getStubSettingsBuilder().enableProcessorSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to enableProcessor. */
+    public OperationCallSettings.Builder<
+            EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+        enableProcessorOperationSettings() {
+      return getStubSettingsBuilder().enableProcessorOperationSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to disableProcessor. */
+    public UnaryCallSettings.Builder<DisableProcessorRequest, Operation>
+        disableProcessorSettings() {
+      return getStubSettingsBuilder().disableProcessorSettings();
+    }
+
+    /** Returns the builder for the settings used for calls to disableProcessor. */
+    public OperationCallSettings.Builder<
+            DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+        disableProcessorOperationSettings() {
+      return getStubSettingsBuilder().disableProcessorOperationSettings();
+    }
+
     /** Returns the builder for the settings used for calls to reviewDocument. */
     public UnaryCallSettings.Builder<ReviewDocumentRequest, Operation> reviewDocumentSettings() {
       return getStubSettingsBuilder().reviewDocumentSettings();
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/gapic_metadata.json b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/gapic_metadata.json
index 7fc33b6f..31b3fba1 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/gapic_metadata.json
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/gapic_metadata.json
@@ -13,6 +13,24 @@
             "BatchProcessDocuments": {
               "methods": ["batchProcessDocumentsAsync", "batchProcessDocumentsAsync", "batchProcessDocumentsAsync", "batchProcessDocumentsOperationCallable", "batchProcessDocumentsCallable"]
             },
+            "CreateProcessor": {
+              "methods": ["createProcessor", "createProcessor", "createProcessor", "createProcessorCallable"]
+            },
+            "DeleteProcessor": {
+              "methods": ["deleteProcessorAsync", "deleteProcessorAsync", "deleteProcessorAsync", "deleteProcessorOperationCallable", "deleteProcessorCallable"]
+            },
+            "DisableProcessor": {
+              "methods": ["disableProcessorAsync", "disableProcessorOperationCallable", "disableProcessorCallable"]
+            },
+            "EnableProcessor": {
+              "methods": ["enableProcessorAsync", "enableProcessorOperationCallable", "enableProcessorCallable"]
+            },
+            "FetchProcessorTypes": {
+              "methods": ["fetchProcessorTypes", "fetchProcessorTypes", "fetchProcessorTypes", "fetchProcessorTypesCallable"]
+            },
+            "ListProcessors": {
+              "methods": ["listProcessors", "listProcessors", "listProcessors", "listProcessorsPagedCallable", "listProcessorsCallable"]
+            },
             "ProcessDocument": {
               "methods": ["processDocument", "processDocument", "processDocument", "processDocumentCallable"]
             },
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStub.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStub.java
index c8588ad4..7c4a04af 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStub.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStub.java
@@ -16,6 +16,8 @@
 
 package com.google.cloud.documentai.v1beta3.stub;
 
+import static com.google.cloud.documentai.v1beta3.DocumentProcessorServiceClient.ListProcessorsPagedResponse;
+
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.rpc.OperationCallable;
@@ -23,13 +25,28 @@
 import com.google.cloud.documentai.v1beta3.BatchProcessMetadata;
 import com.google.cloud.documentai.v1beta3.BatchProcessRequest;
 import com.google.cloud.documentai.v1beta3.BatchProcessResponse;
+import com.google.cloud.documentai.v1beta3.CreateProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DisableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.EnableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.EnableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.EnableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse;
+import com.google.cloud.documentai.v1beta3.ListProcessorsRequest;
+import com.google.cloud.documentai.v1beta3.ListProcessorsResponse;
 import com.google.cloud.documentai.v1beta3.ProcessRequest;
 import com.google.cloud.documentai.v1beta3.ProcessResponse;
+import com.google.cloud.documentai.v1beta3.Processor;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentOperationMetadata;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentRequest;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentResponse;
 import com.google.longrunning.Operation;
 import com.google.longrunning.stub.OperationsStub;
+import com.google.protobuf.Empty;
 import javax.annotation.Generated;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
@@ -60,6 +77,52 @@ public UnaryCallable<BatchProcessRequest, Operation> batchProcessDocumentsCallab
     throw new UnsupportedOperationException("Not implemented: batchProcessDocumentsCallable()");
   }
 
+  public UnaryCallable<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesCallable() {
+    throw new UnsupportedOperationException("Not implemented: fetchProcessorTypesCallable()");
+  }
+
+  public UnaryCallable<ListProcessorsRequest, ListProcessorsPagedResponse>
+      listProcessorsPagedCallable() {
+    throw new UnsupportedOperationException("Not implemented: listProcessorsPagedCallable()");
+  }
+
+  public UnaryCallable<ListProcessorsRequest, ListProcessorsResponse> listProcessorsCallable() {
+    throw new UnsupportedOperationException("Not implemented: listProcessorsCallable()");
+  }
+
+  public UnaryCallable<CreateProcessorRequest, Processor> createProcessorCallable() {
+    throw new UnsupportedOperationException("Not implemented: createProcessorCallable()");
+  }
+
+  public OperationCallable<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: deleteProcessorOperationCallable()");
+  }
+
+  public UnaryCallable<DeleteProcessorRequest, Operation> deleteProcessorCallable() {
+    throw new UnsupportedOperationException("Not implemented: deleteProcessorCallable()");
+  }
+
+  public OperationCallable<EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: enableProcessorOperationCallable()");
+  }
+
+  public UnaryCallable<EnableProcessorRequest, Operation> enableProcessorCallable() {
+    throw new UnsupportedOperationException("Not implemented: enableProcessorCallable()");
+  }
+
+  public OperationCallable<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationCallable() {
+    throw new UnsupportedOperationException("Not implemented: disableProcessorOperationCallable()");
+  }
+
+  public UnaryCallable<DisableProcessorRequest, Operation> disableProcessorCallable() {
+    throw new UnsupportedOperationException("Not implemented: disableProcessorCallable()");
+  }
+
   public OperationCallable<
           ReviewDocumentRequest, ReviewDocumentResponse, ReviewDocumentOperationMetadata>
       reviewDocumentOperationCallable() {
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
index 816206cd..8939a3d8 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/DocumentProcessorServiceStubSettings.java
@@ -16,7 +16,10 @@
 
 package com.google.cloud.documentai.v1beta3.stub;
 
+import static com.google.cloud.documentai.v1beta3.DocumentProcessorServiceClient.ListProcessorsPagedResponse;
+
 import com.google.api.core.ApiFunction;
+import com.google.api.core.ApiFuture;
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.GaxProperties;
 import com.google.api.gax.core.GoogleCredentialsProvider;
@@ -28,18 +31,38 @@
 import com.google.api.gax.longrunning.OperationSnapshot;
 import com.google.api.gax.longrunning.OperationTimedPollAlgorithm;
 import com.google.api.gax.retrying.RetrySettings;
+import com.google.api.gax.rpc.ApiCallContext;
 import com.google.api.gax.rpc.ApiClientHeaderProvider;
 import com.google.api.gax.rpc.ClientContext;
 import com.google.api.gax.rpc.OperationCallSettings;
+import com.google.api.gax.rpc.PageContext;
+import com.google.api.gax.rpc.PagedCallSettings;
+import com.google.api.gax.rpc.PagedListDescriptor;
+import com.google.api.gax.rpc.PagedListResponseFactory;
 import com.google.api.gax.rpc.StatusCode;
 import com.google.api.gax.rpc.StubSettings;
 import com.google.api.gax.rpc.TransportChannelProvider;
 import com.google.api.gax.rpc.UnaryCallSettings;
+import com.google.api.gax.rpc.UnaryCallable;
 import com.google.cloud.documentai.v1beta3.BatchProcessMetadata;
 import com.google.cloud.documentai.v1beta3.BatchProcessRequest;
 import com.google.cloud.documentai.v1beta3.BatchProcessResponse;
+import com.google.cloud.documentai.v1beta3.CreateProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DisableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.EnableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.EnableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.EnableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse;
+import com.google.cloud.documentai.v1beta3.ListProcessorsRequest;
+import com.google.cloud.documentai.v1beta3.ListProcessorsResponse;
 import com.google.cloud.documentai.v1beta3.ProcessRequest;
 import com.google.cloud.documentai.v1beta3.ProcessResponse;
+import com.google.cloud.documentai.v1beta3.Processor;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentOperationMetadata;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentRequest;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentResponse;
@@ -48,6 +71,7 @@
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.longrunning.Operation;
+import com.google.protobuf.Empty;
 import java.io.IOException;
 import java.util.List;
 import javax.annotation.Generated;
@@ -99,11 +123,82 @@ public class DocumentProcessorServiceStubSettings
   private final OperationCallSettings<
           BatchProcessRequest, BatchProcessResponse, BatchProcessMetadata>
       batchProcessDocumentsOperationSettings;
+  private final UnaryCallSettings<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesSettings;
+  private final PagedCallSettings<
+          ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+      listProcessorsSettings;
+  private final UnaryCallSettings<CreateProcessorRequest, Processor> createProcessorSettings;
+  private final UnaryCallSettings<DeleteProcessorRequest, Operation> deleteProcessorSettings;
+  private final OperationCallSettings<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationSettings;
+  private final UnaryCallSettings<EnableProcessorRequest, Operation> enableProcessorSettings;
+  private final OperationCallSettings<
+          EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationSettings;
+  private final UnaryCallSettings<DisableProcessorRequest, Operation> disableProcessorSettings;
+  private final OperationCallSettings<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationSettings;
   private final UnaryCallSettings<ReviewDocumentRequest, Operation> reviewDocumentSettings;
   private final OperationCallSettings<
           ReviewDocumentRequest, ReviewDocumentResponse, ReviewDocumentOperationMetadata>
       reviewDocumentOperationSettings;
 
+  private static final PagedListDescriptor<ListProcessorsRequest, ListProcessorsResponse, Processor>
+      LIST_PROCESSORS_PAGE_STR_DESC =
+          new PagedListDescriptor<ListProcessorsRequest, ListProcessorsResponse, Processor>() {
+            @Override
+            public String emptyToken() {
+              return "";
+            }
+
+            @Override
+            public ListProcessorsRequest injectToken(ListProcessorsRequest payload, String token) {
+              return ListProcessorsRequest.newBuilder(payload).setPageToken(token).build();
+            }
+
+            @Override
+            public ListProcessorsRequest injectPageSize(
+                ListProcessorsRequest payload, int pageSize) {
+              return ListProcessorsRequest.newBuilder(payload).setPageSize(pageSize).build();
+            }
+
+            @Override
+            public Integer extractPageSize(ListProcessorsRequest payload) {
+              return payload.getPageSize();
+            }
+
+            @Override
+            public String extractNextToken(ListProcessorsResponse payload) {
+              return payload.getNextPageToken();
+            }
+
+            @Override
+            public Iterable<Processor> extractResources(ListProcessorsResponse payload) {
+              return payload.getProcessorsList() == null
+                  ? ImmutableList.<Processor>of()
+                  : payload.getProcessorsList();
+            }
+          };
+
+  private static final PagedListResponseFactory<
+          ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+      LIST_PROCESSORS_PAGE_STR_FACT =
+          new PagedListResponseFactory<
+              ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>() {
+            @Override
+            public ApiFuture<ListProcessorsPagedResponse> getFuturePagedResponse(
+                UnaryCallable<ListProcessorsRequest, ListProcessorsResponse> callable,
+                ListProcessorsRequest request,
+                ApiCallContext context,
+                ApiFuture<ListProcessorsResponse> futureResponse) {
+              PageContext<ListProcessorsRequest, ListProcessorsResponse, Processor> pageContext =
+                  PageContext.create(callable, LIST_PROCESSORS_PAGE_STR_DESC, request, context);
+              return ListProcessorsPagedResponse.createAsync(pageContext, futureResponse);
+            }
+          };
+
   /** Returns the object with the settings used for calls to processDocument. */
   public UnaryCallSettings<ProcessRequest, ProcessResponse> processDocumentSettings() {
     return processDocumentSettings;
@@ -120,6 +215,59 @@ public UnaryCallSettings<BatchProcessRequest, Operation> batchProcessDocumentsSe
     return batchProcessDocumentsOperationSettings;
   }
 
+  /** Returns the object with the settings used for calls to fetchProcessorTypes. */
+  public UnaryCallSettings<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesSettings() {
+    return fetchProcessorTypesSettings;
+  }
+
+  /** Returns the object with the settings used for calls to listProcessors. */
+  public PagedCallSettings<
+          ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+      listProcessorsSettings() {
+    return listProcessorsSettings;
+  }
+
+  /** Returns the object with the settings used for calls to createProcessor. */
+  public UnaryCallSettings<CreateProcessorRequest, Processor> createProcessorSettings() {
+    return createProcessorSettings;
+  }
+
+  /** Returns the object with the settings used for calls to deleteProcessor. */
+  public UnaryCallSettings<DeleteProcessorRequest, Operation> deleteProcessorSettings() {
+    return deleteProcessorSettings;
+  }
+
+  /** Returns the object with the settings used for calls to deleteProcessor. */
+  public OperationCallSettings<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationSettings() {
+    return deleteProcessorOperationSettings;
+  }
+
+  /** Returns the object with the settings used for calls to enableProcessor. */
+  public UnaryCallSettings<EnableProcessorRequest, Operation> enableProcessorSettings() {
+    return enableProcessorSettings;
+  }
+
+  /** Returns the object with the settings used for calls to enableProcessor. */
+  public OperationCallSettings<
+          EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationSettings() {
+    return enableProcessorOperationSettings;
+  }
+
+  /** Returns the object with the settings used for calls to disableProcessor. */
+  public UnaryCallSettings<DisableProcessorRequest, Operation> disableProcessorSettings() {
+    return disableProcessorSettings;
+  }
+
+  /** Returns the object with the settings used for calls to disableProcessor. */
+  public OperationCallSettings<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationSettings() {
+    return disableProcessorOperationSettings;
+  }
+
   /** Returns the object with the settings used for calls to reviewDocument. */
   public UnaryCallSettings<ReviewDocumentRequest, Operation> reviewDocumentSettings() {
     return reviewDocumentSettings;
@@ -210,6 +358,15 @@ protected DocumentProcessorServiceStubSettings(Builder settingsBuilder) throws I
     batchProcessDocumentsSettings = settingsBuilder.batchProcessDocumentsSettings().build();
     batchProcessDocumentsOperationSettings =
         settingsBuilder.batchProcessDocumentsOperationSettings().build();
+    fetchProcessorTypesSettings = settingsBuilder.fetchProcessorTypesSettings().build();
+    listProcessorsSettings = settingsBuilder.listProcessorsSettings().build();
+    createProcessorSettings = settingsBuilder.createProcessorSettings().build();
+    deleteProcessorSettings = settingsBuilder.deleteProcessorSettings().build();
+    deleteProcessorOperationSettings = settingsBuilder.deleteProcessorOperationSettings().build();
+    enableProcessorSettings = settingsBuilder.enableProcessorSettings().build();
+    enableProcessorOperationSettings = settingsBuilder.enableProcessorOperationSettings().build();
+    disableProcessorSettings = settingsBuilder.disableProcessorSettings().build();
+    disableProcessorOperationSettings = settingsBuilder.disableProcessorOperationSettings().build();
     reviewDocumentSettings = settingsBuilder.reviewDocumentSettings().build();
     reviewDocumentOperationSettings = settingsBuilder.reviewDocumentOperationSettings().build();
   }
@@ -225,6 +382,28 @@ public static class Builder
     private final OperationCallSettings.Builder<
             BatchProcessRequest, BatchProcessResponse, BatchProcessMetadata>
         batchProcessDocumentsOperationSettings;
+    private final UnaryCallSettings.Builder<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+        fetchProcessorTypesSettings;
+    private final PagedCallSettings.Builder<
+            ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+        listProcessorsSettings;
+    private final UnaryCallSettings.Builder<CreateProcessorRequest, Processor>
+        createProcessorSettings;
+    private final UnaryCallSettings.Builder<DeleteProcessorRequest, Operation>
+        deleteProcessorSettings;
+    private final OperationCallSettings.Builder<
+            DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+        deleteProcessorOperationSettings;
+    private final UnaryCallSettings.Builder<EnableProcessorRequest, Operation>
+        enableProcessorSettings;
+    private final OperationCallSettings.Builder<
+            EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+        enableProcessorOperationSettings;
+    private final UnaryCallSettings.Builder<DisableProcessorRequest, Operation>
+        disableProcessorSettings;
+    private final OperationCallSettings.Builder<
+            DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+        disableProcessorOperationSettings;
     private final UnaryCallSettings.Builder<ReviewDocumentRequest, Operation>
         reviewDocumentSettings;
     private final OperationCallSettings.Builder<
@@ -241,6 +420,7 @@ public static class Builder
           ImmutableSet.copyOf(
               Lists.<StatusCode.Code>newArrayList(
                   StatusCode.Code.DEADLINE_EXCEEDED, StatusCode.Code.UNAVAILABLE)));
+      definitions.put("no_retry_codes", ImmutableSet.copyOf(Lists.<StatusCode.Code>newArrayList()));
       RETRYABLE_CODE_DEFINITIONS = definitions.build();
     }
 
@@ -260,6 +440,8 @@ public static class Builder
               .setTotalTimeout(Duration.ofMillis(120000L))
               .build();
       definitions.put("retry_policy_0_params", settings);
+      settings = RetrySettings.newBuilder().setRpcTimeoutMultiplier(1.0).build();
+      definitions.put("no_retry_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
     }
 
@@ -273,12 +455,29 @@ protected Builder(ClientContext clientContext) {
       processDocumentSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       batchProcessDocumentsSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       batchProcessDocumentsOperationSettings = OperationCallSettings.newBuilder();
+      fetchProcessorTypesSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      listProcessorsSettings = PagedCallSettings.newBuilder(LIST_PROCESSORS_PAGE_STR_FACT);
+      createProcessorSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      deleteProcessorSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      deleteProcessorOperationSettings = OperationCallSettings.newBuilder();
+      enableProcessorSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      enableProcessorOperationSettings = OperationCallSettings.newBuilder();
+      disableProcessorSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
+      disableProcessorOperationSettings = OperationCallSettings.newBuilder();
       reviewDocumentSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();
       reviewDocumentOperationSettings = OperationCallSettings.newBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
-              processDocumentSettings, batchProcessDocumentsSettings, reviewDocumentSettings);
+              processDocumentSettings,
+              batchProcessDocumentsSettings,
+              fetchProcessorTypesSettings,
+              listProcessorsSettings,
+              createProcessorSettings,
+              deleteProcessorSettings,
+              enableProcessorSettings,
+              disableProcessorSettings,
+              reviewDocumentSettings);
       initDefaults(this);
     }
 
@@ -289,12 +488,29 @@ protected Builder(DocumentProcessorServiceStubSettings settings) {
       batchProcessDocumentsSettings = settings.batchProcessDocumentsSettings.toBuilder();
       batchProcessDocumentsOperationSettings =
           settings.batchProcessDocumentsOperationSettings.toBuilder();
+      fetchProcessorTypesSettings = settings.fetchProcessorTypesSettings.toBuilder();
+      listProcessorsSettings = settings.listProcessorsSettings.toBuilder();
+      createProcessorSettings = settings.createProcessorSettings.toBuilder();
+      deleteProcessorSettings = settings.deleteProcessorSettings.toBuilder();
+      deleteProcessorOperationSettings = settings.deleteProcessorOperationSettings.toBuilder();
+      enableProcessorSettings = settings.enableProcessorSettings.toBuilder();
+      enableProcessorOperationSettings = settings.enableProcessorOperationSettings.toBuilder();
+      disableProcessorSettings = settings.disableProcessorSettings.toBuilder();
+      disableProcessorOperationSettings = settings.disableProcessorOperationSettings.toBuilder();
       reviewDocumentSettings = settings.reviewDocumentSettings.toBuilder();
       reviewDocumentOperationSettings = settings.reviewDocumentOperationSettings.toBuilder();
 
       unaryMethodSettingsBuilders =
           ImmutableList.<UnaryCallSettings.Builder<?, ?>>of(
-              processDocumentSettings, batchProcessDocumentsSettings, reviewDocumentSettings);
+              processDocumentSettings,
+              batchProcessDocumentsSettings,
+              fetchProcessorTypesSettings,
+              listProcessorsSettings,
+              createProcessorSettings,
+              deleteProcessorSettings,
+              enableProcessorSettings,
+              disableProcessorSettings,
+              reviewDocumentSettings);
     }
 
     private static Builder createDefault() {
@@ -321,6 +537,36 @@ private static Builder initDefaults(Builder builder) {
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
           .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("retry_policy_0_params"));
 
+      builder
+          .fetchProcessorTypesSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
+      builder
+          .listProcessorsSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
+      builder
+          .createProcessorSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
+      builder
+          .deleteProcessorSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
+      builder
+          .enableProcessorSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
+      builder
+          .disableProcessorSettings()
+          .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+          .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"));
+
       builder
           .reviewDocumentSettings()
           .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("retry_policy_0_codes"))
@@ -350,6 +596,78 @@ private static Builder initDefaults(Builder builder) {
                       .setTotalTimeout(Duration.ofMillis(300000L))
                       .build()));
 
+      builder
+          .deleteProcessorOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings
+                  .<DeleteProcessorRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(Empty.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(DeleteProcessorMetadata.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
+      builder
+          .enableProcessorOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings
+                  .<EnableProcessorRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(EnableProcessorResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(EnableProcessorMetadata.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
+      builder
+          .disableProcessorOperationSettings()
+          .setInitialCallSettings(
+              UnaryCallSettings
+                  .<DisableProcessorRequest, OperationSnapshot>newUnaryCallSettingsBuilder()
+                  .setRetryableCodes(RETRYABLE_CODE_DEFINITIONS.get("no_retry_codes"))
+                  .setRetrySettings(RETRY_PARAM_DEFINITIONS.get("no_retry_params"))
+                  .build())
+          .setResponseTransformer(
+              ProtoOperationTransformers.ResponseTransformer.create(DisableProcessorResponse.class))
+          .setMetadataTransformer(
+              ProtoOperationTransformers.MetadataTransformer.create(DisableProcessorMetadata.class))
+          .setPollingAlgorithm(
+              OperationTimedPollAlgorithm.create(
+                  RetrySettings.newBuilder()
+                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setRetryDelayMultiplier(1.5)
+                      .setMaxRetryDelay(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setRpcTimeoutMultiplier(1.0)
+                      .setMaxRpcTimeout(Duration.ZERO)
+                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .build()));
+
       builder
           .reviewDocumentOperationSettings()
           .setInitialCallSettings(
@@ -414,6 +732,66 @@ public UnaryCallSettings.Builder<ProcessRequest, ProcessResponse> processDocumen
       return batchProcessDocumentsOperationSettings;
     }
 
+    /** Returns the builder for the settings used for calls to fetchProcessorTypes. */
+    public UnaryCallSettings.Builder<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+        fetchProcessorTypesSettings() {
+      return fetchProcessorTypesSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to listProcessors. */
+    public PagedCallSettings.Builder<
+            ListProcessorsRequest, ListProcessorsResponse, ListProcessorsPagedResponse>
+        listProcessorsSettings() {
+      return listProcessorsSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to createProcessor. */
+    public UnaryCallSettings.Builder<CreateProcessorRequest, Processor> createProcessorSettings() {
+      return createProcessorSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to deleteProcessor. */
+    public UnaryCallSettings.Builder<DeleteProcessorRequest, Operation> deleteProcessorSettings() {
+      return deleteProcessorSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to deleteProcessor. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+        deleteProcessorOperationSettings() {
+      return deleteProcessorOperationSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to enableProcessor. */
+    public UnaryCallSettings.Builder<EnableProcessorRequest, Operation> enableProcessorSettings() {
+      return enableProcessorSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to enableProcessor. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<
+            EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+        enableProcessorOperationSettings() {
+      return enableProcessorOperationSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to disableProcessor. */
+    public UnaryCallSettings.Builder<DisableProcessorRequest, Operation>
+        disableProcessorSettings() {
+      return disableProcessorSettings;
+    }
+
+    /** Returns the builder for the settings used for calls to disableProcessor. */
+    @BetaApi(
+        "The surface for use by generated code is not stable yet and may change in the future.")
+    public OperationCallSettings.Builder<
+            DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+        disableProcessorOperationSettings() {
+      return disableProcessorOperationSettings;
+    }
+
     /** Returns the builder for the settings used for calls to reviewDocument. */
     public UnaryCallSettings.Builder<ReviewDocumentRequest, Operation> reviewDocumentSettings() {
       return reviewDocumentSettings;
diff --git a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/GrpcDocumentProcessorServiceStub.java b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/GrpcDocumentProcessorServiceStub.java
index 15ff5e41..474ff1e5 100644
--- a/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/GrpcDocumentProcessorServiceStub.java
+++ b/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/stub/GrpcDocumentProcessorServiceStub.java
@@ -16,6 +16,8 @@
 
 package com.google.cloud.documentai.v1beta3.stub;
 
+import static com.google.cloud.documentai.v1beta3.DocumentProcessorServiceClient.ListProcessorsPagedResponse;
+
 import com.google.api.core.BetaApi;
 import com.google.api.gax.core.BackgroundResource;
 import com.google.api.gax.core.BackgroundResourceAggregation;
@@ -28,14 +30,29 @@
 import com.google.cloud.documentai.v1beta3.BatchProcessMetadata;
 import com.google.cloud.documentai.v1beta3.BatchProcessRequest;
 import com.google.cloud.documentai.v1beta3.BatchProcessResponse;
+import com.google.cloud.documentai.v1beta3.CreateProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DeleteProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.DisableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.DisableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.EnableProcessorMetadata;
+import com.google.cloud.documentai.v1beta3.EnableProcessorRequest;
+import com.google.cloud.documentai.v1beta3.EnableProcessorResponse;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest;
+import com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse;
+import com.google.cloud.documentai.v1beta3.ListProcessorsRequest;
+import com.google.cloud.documentai.v1beta3.ListProcessorsResponse;
 import com.google.cloud.documentai.v1beta3.ProcessRequest;
 import com.google.cloud.documentai.v1beta3.ProcessResponse;
+import com.google.cloud.documentai.v1beta3.Processor;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentOperationMetadata;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentRequest;
 import com.google.cloud.documentai.v1beta3.ReviewDocumentResponse;
 import com.google.common.collect.ImmutableMap;
 import com.google.longrunning.Operation;
 import com.google.longrunning.stub.GrpcOperationsStub;
+import com.google.protobuf.Empty;
 import io.grpc.MethodDescriptor;
 import io.grpc.protobuf.ProtoUtils;
 import java.io.IOException;
@@ -72,6 +89,74 @@ public class GrpcDocumentProcessorServiceStub extends DocumentProcessorServiceSt
               .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
               .build();
 
+  private static final MethodDescriptor<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesMethodDescriptor =
+          MethodDescriptor.<FetchProcessorTypesRequest, FetchProcessorTypesResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/FetchProcessorTypes")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(FetchProcessorTypesRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(FetchProcessorTypesResponse.getDefaultInstance()))
+              .build();
+
+  private static final MethodDescriptor<ListProcessorsRequest, ListProcessorsResponse>
+      listProcessorsMethodDescriptor =
+          MethodDescriptor.<ListProcessorsRequest, ListProcessorsResponse>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/ListProcessors")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(ListProcessorsRequest.getDefaultInstance()))
+              .setResponseMarshaller(
+                  ProtoUtils.marshaller(ListProcessorsResponse.getDefaultInstance()))
+              .build();
+
+  private static final MethodDescriptor<CreateProcessorRequest, Processor>
+      createProcessorMethodDescriptor =
+          MethodDescriptor.<CreateProcessorRequest, Processor>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/CreateProcessor")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(CreateProcessorRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Processor.getDefaultInstance()))
+              .build();
+
+  private static final MethodDescriptor<DeleteProcessorRequest, Operation>
+      deleteProcessorMethodDescriptor =
+          MethodDescriptor.<DeleteProcessorRequest, Operation>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/DeleteProcessor")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(DeleteProcessorRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .build();
+
+  private static final MethodDescriptor<EnableProcessorRequest, Operation>
+      enableProcessorMethodDescriptor =
+          MethodDescriptor.<EnableProcessorRequest, Operation>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/EnableProcessor")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(EnableProcessorRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .build();
+
+  private static final MethodDescriptor<DisableProcessorRequest, Operation>
+      disableProcessorMethodDescriptor =
+          MethodDescriptor.<DisableProcessorRequest, Operation>newBuilder()
+              .setType(MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(
+                  "google.cloud.documentai.v1beta3.DocumentProcessorService/DisableProcessor")
+              .setRequestMarshaller(
+                  ProtoUtils.marshaller(DisableProcessorRequest.getDefaultInstance()))
+              .setResponseMarshaller(ProtoUtils.marshaller(Operation.getDefaultInstance()))
+              .build();
+
   private static final MethodDescriptor<ReviewDocumentRequest, Operation>
       reviewDocumentMethodDescriptor =
           MethodDescriptor.<ReviewDocumentRequest, Operation>newBuilder()
@@ -87,6 +172,23 @@ public class GrpcDocumentProcessorServiceStub extends DocumentProcessorServiceSt
   private final UnaryCallable<BatchProcessRequest, Operation> batchProcessDocumentsCallable;
   private final OperationCallable<BatchProcessRequest, BatchProcessResponse, BatchProcessMetadata>
       batchProcessDocumentsOperationCallable;
+  private final UnaryCallable<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesCallable;
+  private final UnaryCallable<ListProcessorsRequest, ListProcessorsResponse> listProcessorsCallable;
+  private final UnaryCallable<ListProcessorsRequest, ListProcessorsPagedResponse>
+      listProcessorsPagedCallable;
+  private final UnaryCallable<CreateProcessorRequest, Processor> createProcessorCallable;
+  private final UnaryCallable<DeleteProcessorRequest, Operation> deleteProcessorCallable;
+  private final OperationCallable<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationCallable;
+  private final UnaryCallable<EnableProcessorRequest, Operation> enableProcessorCallable;
+  private final OperationCallable<
+          EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationCallable;
+  private final UnaryCallable<DisableProcessorRequest, Operation> disableProcessorCallable;
+  private final OperationCallable<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationCallable;
   private final UnaryCallable<ReviewDocumentRequest, Operation> reviewDocumentCallable;
   private final OperationCallable<
           ReviewDocumentRequest, ReviewDocumentResponse, ReviewDocumentOperationMetadata>
@@ -163,6 +265,86 @@ public Map<String, String> extract(BatchProcessRequest request) {
                   }
                 })
             .build();
+    GrpcCallSettings<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+        fetchProcessorTypesTransportSettings =
+            GrpcCallSettings.<FetchProcessorTypesRequest, FetchProcessorTypesResponse>newBuilder()
+                .setMethodDescriptor(fetchProcessorTypesMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<FetchProcessorTypesRequest>() {
+                      @Override
+                      public Map<String, String> extract(FetchProcessorTypesRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
+                .build();
+    GrpcCallSettings<ListProcessorsRequest, ListProcessorsResponse>
+        listProcessorsTransportSettings =
+            GrpcCallSettings.<ListProcessorsRequest, ListProcessorsResponse>newBuilder()
+                .setMethodDescriptor(listProcessorsMethodDescriptor)
+                .setParamsExtractor(
+                    new RequestParamsExtractor<ListProcessorsRequest>() {
+                      @Override
+                      public Map<String, String> extract(ListProcessorsRequest request) {
+                        ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                        params.put("parent", String.valueOf(request.getParent()));
+                        return params.build();
+                      }
+                    })
+                .build();
+    GrpcCallSettings<CreateProcessorRequest, Processor> createProcessorTransportSettings =
+        GrpcCallSettings.<CreateProcessorRequest, Processor>newBuilder()
+            .setMethodDescriptor(createProcessorMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<CreateProcessorRequest>() {
+                  @Override
+                  public Map<String, String> extract(CreateProcessorRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("parent", String.valueOf(request.getParent()));
+                    return params.build();
+                  }
+                })
+            .build();
+    GrpcCallSettings<DeleteProcessorRequest, Operation> deleteProcessorTransportSettings =
+        GrpcCallSettings.<DeleteProcessorRequest, Operation>newBuilder()
+            .setMethodDescriptor(deleteProcessorMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DeleteProcessorRequest>() {
+                  @Override
+                  public Map<String, String> extract(DeleteProcessorRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
+            .build();
+    GrpcCallSettings<EnableProcessorRequest, Operation> enableProcessorTransportSettings =
+        GrpcCallSettings.<EnableProcessorRequest, Operation>newBuilder()
+            .setMethodDescriptor(enableProcessorMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<EnableProcessorRequest>() {
+                  @Override
+                  public Map<String, String> extract(EnableProcessorRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
+            .build();
+    GrpcCallSettings<DisableProcessorRequest, Operation> disableProcessorTransportSettings =
+        GrpcCallSettings.<DisableProcessorRequest, Operation>newBuilder()
+            .setMethodDescriptor(disableProcessorMethodDescriptor)
+            .setParamsExtractor(
+                new RequestParamsExtractor<DisableProcessorRequest>() {
+                  @Override
+                  public Map<String, String> extract(DisableProcessorRequest request) {
+                    ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
+                    params.put("name", String.valueOf(request.getName()));
+                    return params.build();
+                  }
+                })
+            .build();
     GrpcCallSettings<ReviewDocumentRequest, Operation> reviewDocumentTransportSettings =
         GrpcCallSettings.<ReviewDocumentRequest, Operation>newBuilder()
             .setMethodDescriptor(reviewDocumentMethodDescriptor)
@@ -192,6 +374,47 @@ public Map<String, String> extract(ReviewDocumentRequest request) {
             settings.batchProcessDocumentsOperationSettings(),
             clientContext,
             operationsStub);
+    this.fetchProcessorTypesCallable =
+        callableFactory.createUnaryCallable(
+            fetchProcessorTypesTransportSettings,
+            settings.fetchProcessorTypesSettings(),
+            clientContext);
+    this.listProcessorsCallable =
+        callableFactory.createUnaryCallable(
+            listProcessorsTransportSettings, settings.listProcessorsSettings(), clientContext);
+    this.listProcessorsPagedCallable =
+        callableFactory.createPagedCallable(
+            listProcessorsTransportSettings, settings.listProcessorsSettings(), clientContext);
+    this.createProcessorCallable =
+        callableFactory.createUnaryCallable(
+            createProcessorTransportSettings, settings.createProcessorSettings(), clientContext);
+    this.deleteProcessorCallable =
+        callableFactory.createUnaryCallable(
+            deleteProcessorTransportSettings, settings.deleteProcessorSettings(), clientContext);
+    this.deleteProcessorOperationCallable =
+        callableFactory.createOperationCallable(
+            deleteProcessorTransportSettings,
+            settings.deleteProcessorOperationSettings(),
+            clientContext,
+            operationsStub);
+    this.enableProcessorCallable =
+        callableFactory.createUnaryCallable(
+            enableProcessorTransportSettings, settings.enableProcessorSettings(), clientContext);
+    this.enableProcessorOperationCallable =
+        callableFactory.createOperationCallable(
+            enableProcessorTransportSettings,
+            settings.enableProcessorOperationSettings(),
+            clientContext,
+            operationsStub);
+    this.disableProcessorCallable =
+        callableFactory.createUnaryCallable(
+            disableProcessorTransportSettings, settings.disableProcessorSettings(), clientContext);
+    this.disableProcessorOperationCallable =
+        callableFactory.createOperationCallable(
+            disableProcessorTransportSettings,
+            settings.disableProcessorOperationSettings(),
+            clientContext,
+            operationsStub);
     this.reviewDocumentCallable =
         callableFactory.createUnaryCallable(
             reviewDocumentTransportSettings, settings.reviewDocumentSettings(), clientContext);
@@ -226,6 +449,62 @@ public UnaryCallable<BatchProcessRequest, Operation> batchProcessDocumentsCallab
     return batchProcessDocumentsOperationCallable;
   }
 
+  @Override
+  public UnaryCallable<FetchProcessorTypesRequest, FetchProcessorTypesResponse>
+      fetchProcessorTypesCallable() {
+    return fetchProcessorTypesCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListProcessorsRequest, ListProcessorsResponse> listProcessorsCallable() {
+    return listProcessorsCallable;
+  }
+
+  @Override
+  public UnaryCallable<ListProcessorsRequest, ListProcessorsPagedResponse>
+      listProcessorsPagedCallable() {
+    return listProcessorsPagedCallable;
+  }
+
+  @Override
+  public UnaryCallable<CreateProcessorRequest, Processor> createProcessorCallable() {
+    return createProcessorCallable;
+  }
+
+  @Override
+  public UnaryCallable<DeleteProcessorRequest, Operation> deleteProcessorCallable() {
+    return deleteProcessorCallable;
+  }
+
+  @Override
+  public OperationCallable<DeleteProcessorRequest, Empty, DeleteProcessorMetadata>
+      deleteProcessorOperationCallable() {
+    return deleteProcessorOperationCallable;
+  }
+
+  @Override
+  public UnaryCallable<EnableProcessorRequest, Operation> enableProcessorCallable() {
+    return enableProcessorCallable;
+  }
+
+  @Override
+  public OperationCallable<EnableProcessorRequest, EnableProcessorResponse, EnableProcessorMetadata>
+      enableProcessorOperationCallable() {
+    return enableProcessorOperationCallable;
+  }
+
+  @Override
+  public UnaryCallable<DisableProcessorRequest, Operation> disableProcessorCallable() {
+    return disableProcessorCallable;
+  }
+
+  @Override
+  public OperationCallable<
+          DisableProcessorRequest, DisableProcessorResponse, DisableProcessorMetadata>
+      disableProcessorOperationCallable() {
+    return disableProcessorOperationCallable;
+  }
+
   @Override
   public UnaryCallable<ReviewDocumentRequest, Operation> reviewDocumentCallable() {
     return reviewDocumentCallable;
diff --git a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClientTest.java b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClientTest.java
index bfbb4626..be4910f6 100644
--- a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClientTest.java
+++ b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClientTest.java
@@ -16,6 +16,8 @@
 
 package com.google.cloud.documentai.v1beta3;
 
+import static com.google.cloud.documentai.v1beta3.DocumentProcessorServiceClient.ListProcessorsPagedResponse;
+
 import com.google.api.gax.core.NoCredentialsProvider;
 import com.google.api.gax.grpc.GaxGrpcProperties;
 import com.google.api.gax.grpc.testing.LocalChannelProvider;
@@ -24,11 +26,15 @@
 import com.google.api.gax.rpc.ApiClientHeaderProvider;
 import com.google.api.gax.rpc.InvalidArgumentException;
 import com.google.api.gax.rpc.StatusCode;
+import com.google.common.collect.Lists;
 import com.google.longrunning.Operation;
 import com.google.protobuf.AbstractMessage;
 import com.google.protobuf.Any;
+import com.google.protobuf.Empty;
+import com.google.protobuf.Timestamp;
 import io.grpc.StatusRuntimeException;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.UUID;
@@ -246,6 +252,446 @@ public void batchProcessDocumentsExceptionTest2() throws Exception {
     }
   }
 
+  @Test
+  public void fetchProcessorTypesTest() throws Exception {
+    FetchProcessorTypesResponse expectedResponse =
+        FetchProcessorTypesResponse.newBuilder()
+            .addAllProcessorTypes(new ArrayList<ProcessorType>())
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+
+    FetchProcessorTypesResponse actualResponse = client.fetchProcessorTypes(parent);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    FetchProcessorTypesRequest actualRequest = ((FetchProcessorTypesRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void fetchProcessorTypesExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+      client.fetchProcessorTypes(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void fetchProcessorTypesTest2() throws Exception {
+    FetchProcessorTypesResponse expectedResponse =
+        FetchProcessorTypesResponse.newBuilder()
+            .addAllProcessorTypes(new ArrayList<ProcessorType>())
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+
+    FetchProcessorTypesResponse actualResponse = client.fetchProcessorTypes(parent);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    FetchProcessorTypesRequest actualRequest = ((FetchProcessorTypesRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void fetchProcessorTypesExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.fetchProcessorTypes(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listProcessorsTest() throws Exception {
+    Processor responsesElement = Processor.newBuilder().build();
+    ListProcessorsResponse expectedResponse =
+        ListProcessorsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllProcessors(Arrays.asList(responsesElement))
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+
+    ListProcessorsPagedResponse pagedListResponse = client.listProcessors(parent);
+
+    List<Processor> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getProcessorsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListProcessorsRequest actualRequest = ((ListProcessorsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listProcessorsExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+      client.listProcessors(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void listProcessorsTest2() throws Exception {
+    Processor responsesElement = Processor.newBuilder().build();
+    ListProcessorsResponse expectedResponse =
+        ListProcessorsResponse.newBuilder()
+            .setNextPageToken("")
+            .addAllProcessors(Arrays.asList(responsesElement))
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+
+    ListProcessorsPagedResponse pagedListResponse = client.listProcessors(parent);
+
+    List<Processor> resources = Lists.newArrayList(pagedListResponse.iterateAll());
+
+    Assert.assertEquals(1, resources.size());
+    Assert.assertEquals(expectedResponse.getProcessorsList().get(0), resources.get(0));
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    ListProcessorsRequest actualRequest = ((ListProcessorsRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void listProcessorsExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      client.listProcessors(parent);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void createProcessorTest() throws Exception {
+    Processor expectedResponse =
+        Processor.newBuilder()
+            .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+            .setType("type3575610")
+            .setDisplayName("displayName1714148973")
+            .setDefaultProcessorVersion("defaultProcessorVersion-1428555705")
+            .setProcessEndpoint("processEndpoint-891502300")
+            .setCreateTime(Timestamp.newBuilder().build())
+            .setKmsKeyName("kmsKeyName412586233")
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+    Processor processor = Processor.newBuilder().build();
+
+    Processor actualResponse = client.createProcessor(parent, processor);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    CreateProcessorRequest actualRequest = ((CreateProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent.toString(), actualRequest.getParent());
+    Assert.assertEquals(processor, actualRequest.getProcessor());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void createProcessorExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      LocationName parent = LocationName.of("[PROJECT]", "[LOCATION]");
+      Processor processor = Processor.newBuilder().build();
+      client.createProcessor(parent, processor);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void createProcessorTest2() throws Exception {
+    Processor expectedResponse =
+        Processor.newBuilder()
+            .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+            .setType("type3575610")
+            .setDisplayName("displayName1714148973")
+            .setDefaultProcessorVersion("defaultProcessorVersion-1428555705")
+            .setProcessEndpoint("processEndpoint-891502300")
+            .setCreateTime(Timestamp.newBuilder().build())
+            .setKmsKeyName("kmsKeyName412586233")
+            .build();
+    mockDocumentProcessorService.addResponse(expectedResponse);
+
+    String parent = "parent-995424086";
+    Processor processor = Processor.newBuilder().build();
+
+    Processor actualResponse = client.createProcessor(parent, processor);
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    CreateProcessorRequest actualRequest = ((CreateProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(parent, actualRequest.getParent());
+    Assert.assertEquals(processor, actualRequest.getProcessor());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void createProcessorExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      String parent = "parent-995424086";
+      Processor processor = Processor.newBuilder().build();
+      client.createProcessor(parent, processor);
+      Assert.fail("No exception raised");
+    } catch (InvalidArgumentException e) {
+      // Expected exception.
+    }
+  }
+
+  @Test
+  public void deleteProcessorTest() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("deleteProcessorTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockDocumentProcessorService.addResponse(resultOperation);
+
+    ProcessorName name = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]");
+
+    client.deleteProcessorAsync(name).get();
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    DeleteProcessorRequest actualRequest = ((DeleteProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name.toString(), actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void deleteProcessorExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      ProcessorName name = ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]");
+      client.deleteProcessorAsync(name).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void deleteProcessorTest2() throws Exception {
+    Empty expectedResponse = Empty.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("deleteProcessorTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockDocumentProcessorService.addResponse(resultOperation);
+
+    String name = "name3373707";
+
+    client.deleteProcessorAsync(name).get();
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    DeleteProcessorRequest actualRequest = ((DeleteProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(name, actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void deleteProcessorExceptionTest2() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      String name = "name3373707";
+      client.deleteProcessorAsync(name).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void enableProcessorTest() throws Exception {
+    EnableProcessorResponse expectedResponse = EnableProcessorResponse.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("enableProcessorTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockDocumentProcessorService.addResponse(resultOperation);
+
+    EnableProcessorRequest request =
+        EnableProcessorRequest.newBuilder()
+            .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+            .build();
+
+    EnableProcessorResponse actualResponse = client.enableProcessorAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    EnableProcessorRequest actualRequest = ((EnableProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getName(), actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void enableProcessorExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      EnableProcessorRequest request =
+          EnableProcessorRequest.newBuilder()
+              .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+              .build();
+      client.enableProcessorAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
+  @Test
+  public void disableProcessorTest() throws Exception {
+    DisableProcessorResponse expectedResponse = DisableProcessorResponse.newBuilder().build();
+    Operation resultOperation =
+        Operation.newBuilder()
+            .setName("disableProcessorTest")
+            .setDone(true)
+            .setResponse(Any.pack(expectedResponse))
+            .build();
+    mockDocumentProcessorService.addResponse(resultOperation);
+
+    DisableProcessorRequest request =
+        DisableProcessorRequest.newBuilder()
+            .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+            .build();
+
+    DisableProcessorResponse actualResponse = client.disableProcessorAsync(request).get();
+    Assert.assertEquals(expectedResponse, actualResponse);
+
+    List<AbstractMessage> actualRequests = mockDocumentProcessorService.getRequests();
+    Assert.assertEquals(1, actualRequests.size());
+    DisableProcessorRequest actualRequest = ((DisableProcessorRequest) actualRequests.get(0));
+
+    Assert.assertEquals(request.getName(), actualRequest.getName());
+    Assert.assertTrue(
+        channelProvider.isHeaderSent(
+            ApiClientHeaderProvider.getDefaultApiClientHeaderKey(),
+            GaxGrpcProperties.getDefaultApiClientHeaderPattern()));
+  }
+
+  @Test
+  public void disableProcessorExceptionTest() throws Exception {
+    StatusRuntimeException exception = new StatusRuntimeException(io.grpc.Status.INVALID_ARGUMENT);
+    mockDocumentProcessorService.addException(exception);
+
+    try {
+      DisableProcessorRequest request =
+          DisableProcessorRequest.newBuilder()
+              .setName(ProcessorName.of("[PROJECT]", "[LOCATION]", "[PROCESSOR]").toString())
+              .build();
+      client.disableProcessorAsync(request).get();
+      Assert.fail("No exception raised");
+    } catch (ExecutionException e) {
+      Assert.assertEquals(InvalidArgumentException.class, e.getCause().getClass());
+      InvalidArgumentException apiException = ((InvalidArgumentException) e.getCause());
+      Assert.assertEquals(StatusCode.Code.INVALID_ARGUMENT, apiException.getStatusCode().getCode());
+    }
+  }
+
   @Test
   public void reviewDocumentTest() throws Exception {
     ReviewDocumentResponse expectedResponse =
diff --git a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/MockDocumentProcessorServiceImpl.java b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/MockDocumentProcessorServiceImpl.java
index a4d05ec0..09113e55 100644
--- a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/MockDocumentProcessorServiceImpl.java
+++ b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1beta3/MockDocumentProcessorServiceImpl.java
@@ -101,6 +101,133 @@ public void batchProcessDocuments(
     }
   }
 
+  @Override
+  public void fetchProcessorTypes(
+      FetchProcessorTypesRequest request,
+      StreamObserver<FetchProcessorTypesResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof FetchProcessorTypesResponse) {
+      requests.add(request);
+      responseObserver.onNext(((FetchProcessorTypesResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method FetchProcessorTypes, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  FetchProcessorTypesResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void listProcessors(
+      ListProcessorsRequest request, StreamObserver<ListProcessorsResponse> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof ListProcessorsResponse) {
+      requests.add(request);
+      responseObserver.onNext(((ListProcessorsResponse) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method ListProcessors, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  ListProcessorsResponse.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void createProcessor(
+      CreateProcessorRequest request, StreamObserver<Processor> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Processor) {
+      requests.add(request);
+      responseObserver.onNext(((Processor) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method CreateProcessor, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Processor.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void deleteProcessor(
+      DeleteProcessorRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method DeleteProcessor, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void enableProcessor(
+      EnableProcessorRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method EnableProcessor, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
+  @Override
+  public void disableProcessor(
+      DisableProcessorRequest request, StreamObserver<Operation> responseObserver) {
+    Object response = responses.poll();
+    if (response instanceof Operation) {
+      requests.add(request);
+      responseObserver.onNext(((Operation) response));
+      responseObserver.onCompleted();
+    } else if (response instanceof Exception) {
+      responseObserver.onError(((Exception) response));
+    } else {
+      responseObserver.onError(
+          new IllegalArgumentException(
+              String.format(
+                  "Unrecognized response type %s for method DisableProcessor, expected %s or %s",
+                  response == null ? "null" : response.getClass().getName(),
+                  Operation.class.getName(),
+                  Exception.class.getName())));
+    }
+  }
+
   @Override
   public void reviewDocument(
       ReviewDocumentRequest request, StreamObserver<Operation> responseObserver) {
diff --git a/grpc-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceGrpc.java b/grpc-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceGrpc.java
index 581a61a4..5b2e629d 100644
--- a/grpc-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceGrpc.java
+++ b/grpc-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceGrpc.java
@@ -137,6 +137,298 @@ private DocumentProcessorServiceGrpc() {}
     return getBatchProcessDocumentsMethod;
   }
 
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest,
+          com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+      getFetchProcessorTypesMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "FetchProcessorTypes",
+      requestType = com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest.class,
+      responseType = com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest,
+          com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+      getFetchProcessorTypesMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest,
+            com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+        getFetchProcessorTypesMethod;
+    if ((getFetchProcessorTypesMethod = DocumentProcessorServiceGrpc.getFetchProcessorTypesMethod)
+        == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getFetchProcessorTypesMethod =
+                DocumentProcessorServiceGrpc.getFetchProcessorTypesMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getFetchProcessorTypesMethod =
+              getFetchProcessorTypesMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest,
+                          com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(
+                          generateFullMethodName(SERVICE_NAME, "FetchProcessorTypes"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse
+                                  .getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier(
+                              "FetchProcessorTypes"))
+                      .build();
+        }
+      }
+    }
+    return getFetchProcessorTypesMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.ListProcessorsRequest,
+          com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+      getListProcessorsMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListProcessors",
+      requestType = com.google.cloud.documentai.v1beta3.ListProcessorsRequest.class,
+      responseType = com.google.cloud.documentai.v1beta3.ListProcessorsResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.ListProcessorsRequest,
+          com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+      getListProcessorsMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.ListProcessorsRequest,
+            com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+        getListProcessorsMethod;
+    if ((getListProcessorsMethod = DocumentProcessorServiceGrpc.getListProcessorsMethod) == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getListProcessorsMethod = DocumentProcessorServiceGrpc.getListProcessorsMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getListProcessorsMethod =
+              getListProcessorsMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.ListProcessorsRequest,
+                          com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListProcessors"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.ListProcessorsRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.ListProcessorsResponse
+                                  .getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier("ListProcessors"))
+                      .build();
+        }
+      }
+    }
+    return getListProcessorsMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.CreateProcessorRequest,
+          com.google.cloud.documentai.v1beta3.Processor>
+      getCreateProcessorMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "CreateProcessor",
+      requestType = com.google.cloud.documentai.v1beta3.CreateProcessorRequest.class,
+      responseType = com.google.cloud.documentai.v1beta3.Processor.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.CreateProcessorRequest,
+          com.google.cloud.documentai.v1beta3.Processor>
+      getCreateProcessorMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.CreateProcessorRequest,
+            com.google.cloud.documentai.v1beta3.Processor>
+        getCreateProcessorMethod;
+    if ((getCreateProcessorMethod = DocumentProcessorServiceGrpc.getCreateProcessorMethod)
+        == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getCreateProcessorMethod = DocumentProcessorServiceGrpc.getCreateProcessorMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getCreateProcessorMethod =
+              getCreateProcessorMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.CreateProcessorRequest,
+                          com.google.cloud.documentai.v1beta3.Processor>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateProcessor"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.CreateProcessorRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier("CreateProcessor"))
+                      .build();
+        }
+      }
+    }
+    return getCreateProcessorMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.DeleteProcessorRequest,
+          com.google.longrunning.Operation>
+      getDeleteProcessorMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "DeleteProcessor",
+      requestType = com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.DeleteProcessorRequest,
+          com.google.longrunning.Operation>
+      getDeleteProcessorMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.DeleteProcessorRequest,
+            com.google.longrunning.Operation>
+        getDeleteProcessorMethod;
+    if ((getDeleteProcessorMethod = DocumentProcessorServiceGrpc.getDeleteProcessorMethod)
+        == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getDeleteProcessorMethod = DocumentProcessorServiceGrpc.getDeleteProcessorMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getDeleteProcessorMethod =
+              getDeleteProcessorMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.DeleteProcessorRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteProcessor"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.DeleteProcessorRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier("DeleteProcessor"))
+                      .build();
+        }
+      }
+    }
+    return getDeleteProcessorMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.EnableProcessorRequest,
+          com.google.longrunning.Operation>
+      getEnableProcessorMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "EnableProcessor",
+      requestType = com.google.cloud.documentai.v1beta3.EnableProcessorRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.EnableProcessorRequest,
+          com.google.longrunning.Operation>
+      getEnableProcessorMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.EnableProcessorRequest,
+            com.google.longrunning.Operation>
+        getEnableProcessorMethod;
+    if ((getEnableProcessorMethod = DocumentProcessorServiceGrpc.getEnableProcessorMethod)
+        == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getEnableProcessorMethod = DocumentProcessorServiceGrpc.getEnableProcessorMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getEnableProcessorMethod =
+              getEnableProcessorMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.EnableProcessorRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "EnableProcessor"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.EnableProcessorRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier("EnableProcessor"))
+                      .build();
+        }
+      }
+    }
+    return getEnableProcessorMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.DisableProcessorRequest,
+          com.google.longrunning.Operation>
+      getDisableProcessorMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "DisableProcessor",
+      requestType = com.google.cloud.documentai.v1beta3.DisableProcessorRequest.class,
+      responseType = com.google.longrunning.Operation.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor<
+          com.google.cloud.documentai.v1beta3.DisableProcessorRequest,
+          com.google.longrunning.Operation>
+      getDisableProcessorMethod() {
+    io.grpc.MethodDescriptor<
+            com.google.cloud.documentai.v1beta3.DisableProcessorRequest,
+            com.google.longrunning.Operation>
+        getDisableProcessorMethod;
+    if ((getDisableProcessorMethod = DocumentProcessorServiceGrpc.getDisableProcessorMethod)
+        == null) {
+      synchronized (DocumentProcessorServiceGrpc.class) {
+        if ((getDisableProcessorMethod = DocumentProcessorServiceGrpc.getDisableProcessorMethod)
+            == null) {
+          DocumentProcessorServiceGrpc.getDisableProcessorMethod =
+              getDisableProcessorMethod =
+                  io.grpc.MethodDescriptor
+                      .<com.google.cloud.documentai.v1beta3.DisableProcessorRequest,
+                          com.google.longrunning.Operation>
+                          newBuilder()
+                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DisableProcessor"))
+                      .setSampledToLocalTracing(true)
+                      .setRequestMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.cloud.documentai.v1beta3.DisableProcessorRequest
+                                  .getDefaultInstance()))
+                      .setResponseMarshaller(
+                          io.grpc.protobuf.ProtoUtils.marshaller(
+                              com.google.longrunning.Operation.getDefaultInstance()))
+                      .setSchemaDescriptor(
+                          new DocumentProcessorServiceMethodDescriptorSupplier("DisableProcessor"))
+                      .build();
+        }
+      }
+    }
+    return getDisableProcessorMethod;
+  }
+
   private static volatile io.grpc.MethodDescriptor<
           com.google.cloud.documentai.v1beta3.ReviewDocumentRequest,
           com.google.longrunning.Operation>
@@ -267,6 +559,95 @@ public void batchProcessDocuments(
           getBatchProcessDocumentsMethod(), responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Fetches processor types.
+     * </pre>
+     */
+    public void fetchProcessorTypes(
+        com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+            responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getFetchProcessorTypesMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists all processors which belong to this project.
+     * </pre>
+     */
+    public void listProcessors(
+        com.google.cloud.documentai.v1beta3.ListProcessorsRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+            responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getListProcessorsMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a processor from the type processor that the user chose.
+     * The processor will be at "ENABLED" state by default after its creation.
+     * </pre>
+     */
+    public void createProcessor(
+        com.google.cloud.documentai.v1beta3.CreateProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.Processor>
+            responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getCreateProcessorMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes the processor, unloads all deployed model artifacts if it was
+     * enabled and then deletes all artifacts associated with this processor.
+     * </pre>
+     */
+    public void deleteProcessor(
+        com.google.cloud.documentai.v1beta3.DeleteProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getDeleteProcessorMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Enables a processor
+     * </pre>
+     */
+    public void enableProcessor(
+        com.google.cloud.documentai.v1beta3.EnableProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getEnableProcessorMethod(), responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Disables a processor
+     * </pre>
+     */
+    public void disableProcessor(
+        com.google.cloud.documentai.v1beta3.DisableProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
+          getDisableProcessorMethod(), responseObserver);
+    }
+
     /**
      *
      *
@@ -298,6 +679,45 @@ public final io.grpc.ServerServiceDefinition bindService() {
                   new MethodHandlers<
                       com.google.cloud.documentai.v1beta3.BatchProcessRequest,
                       com.google.longrunning.Operation>(this, METHODID_BATCH_PROCESS_DOCUMENTS)))
+          .addMethod(
+              getFetchProcessorTypesMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest,
+                      com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>(
+                      this, METHODID_FETCH_PROCESSOR_TYPES)))
+          .addMethod(
+              getListProcessorsMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.ListProcessorsRequest,
+                      com.google.cloud.documentai.v1beta3.ListProcessorsResponse>(
+                      this, METHODID_LIST_PROCESSORS)))
+          .addMethod(
+              getCreateProcessorMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.CreateProcessorRequest,
+                      com.google.cloud.documentai.v1beta3.Processor>(
+                      this, METHODID_CREATE_PROCESSOR)))
+          .addMethod(
+              getDeleteProcessorMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.DeleteProcessorRequest,
+                      com.google.longrunning.Operation>(this, METHODID_DELETE_PROCESSOR)))
+          .addMethod(
+              getEnableProcessorMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.EnableProcessorRequest,
+                      com.google.longrunning.Operation>(this, METHODID_ENABLE_PROCESSOR)))
+          .addMethod(
+              getDisableProcessorMethod(),
+              io.grpc.stub.ServerCalls.asyncUnaryCall(
+                  new MethodHandlers<
+                      com.google.cloud.documentai.v1beta3.DisableProcessorRequest,
+                      com.google.longrunning.Operation>(this, METHODID_DISABLE_PROCESSOR)))
           .addMethod(
               getReviewDocumentMethod(),
               io.grpc.stub.ServerCalls.asyncUnaryCall(
@@ -364,6 +784,107 @@ public void batchProcessDocuments(
           responseObserver);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Fetches processor types.
+     * </pre>
+     */
+    public void fetchProcessorTypes(
+        com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+            responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getFetchProcessorTypesMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists all processors which belong to this project.
+     * </pre>
+     */
+    public void listProcessors(
+        com.google.cloud.documentai.v1beta3.ListProcessorsRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+            responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListProcessorsMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a processor from the type processor that the user chose.
+     * The processor will be at "ENABLED" state by default after its creation.
+     * </pre>
+     */
+    public void createProcessor(
+        com.google.cloud.documentai.v1beta3.CreateProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.Processor>
+            responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getCreateProcessorMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes the processor, unloads all deployed model artifacts if it was
+     * enabled and then deletes all artifacts associated with this processor.
+     * </pre>
+     */
+    public void deleteProcessor(
+        com.google.cloud.documentai.v1beta3.DeleteProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getDeleteProcessorMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Enables a processor
+     * </pre>
+     */
+    public void enableProcessor(
+        com.google.cloud.documentai.v1beta3.EnableProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getEnableProcessorMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Disables a processor
+     * </pre>
+     */
+    public void disableProcessor(
+        com.google.cloud.documentai.v1beta3.DisableProcessorRequest request,
+        io.grpc.stub.StreamObserver<com.google.longrunning.Operation> responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getDisableProcessorMethod(), getCallOptions()),
+          request,
+          responseObserver);
+    }
+
     /**
      *
      *
@@ -432,6 +953,86 @@ public com.google.longrunning.Operation batchProcessDocuments(
           getChannel(), getBatchProcessDocumentsMethod(), getCallOptions(), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Fetches processor types.
+     * </pre>
+     */
+    public com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse fetchProcessorTypes(
+        com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getFetchProcessorTypesMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists all processors which belong to this project.
+     * </pre>
+     */
+    public com.google.cloud.documentai.v1beta3.ListProcessorsResponse listProcessors(
+        com.google.cloud.documentai.v1beta3.ListProcessorsRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListProcessorsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a processor from the type processor that the user chose.
+     * The processor will be at "ENABLED" state by default after its creation.
+     * </pre>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor createProcessor(
+        com.google.cloud.documentai.v1beta3.CreateProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getCreateProcessorMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes the processor, unloads all deployed model artifacts if it was
+     * enabled and then deletes all artifacts associated with this processor.
+     * </pre>
+     */
+    public com.google.longrunning.Operation deleteProcessor(
+        com.google.cloud.documentai.v1beta3.DeleteProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getDeleteProcessorMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Enables a processor
+     * </pre>
+     */
+    public com.google.longrunning.Operation enableProcessor(
+        com.google.cloud.documentai.v1beta3.EnableProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getEnableProcessorMethod(), getCallOptions(), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Disables a processor
+     * </pre>
+     */
+    public com.google.longrunning.Operation disableProcessor(
+        com.google.cloud.documentai.v1beta3.DisableProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getDisableProcessorMethod(), getCallOptions(), request);
+    }
+
     /**
      *
      *
@@ -498,6 +1099,90 @@ protected DocumentProcessorServiceFutureStub build(
           getChannel().newCall(getBatchProcessDocumentsMethod(), getCallOptions()), request);
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Fetches processor types.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>
+        fetchProcessorTypes(
+            com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getFetchProcessorTypesMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Lists all processors which belong to this project.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.cloud.documentai.v1beta3.ListProcessorsResponse>
+        listProcessors(com.google.cloud.documentai.v1beta3.ListProcessorsRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListProcessorsMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Creates a processor from the type processor that the user chose.
+     * The processor will be at "ENABLED" state by default after its creation.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<
+            com.google.cloud.documentai.v1beta3.Processor>
+        createProcessor(com.google.cloud.documentai.v1beta3.CreateProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getCreateProcessorMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Deletes the processor, unloads all deployed model artifacts if it was
+     * enabled and then deletes all artifacts associated with this processor.
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        deleteProcessor(com.google.cloud.documentai.v1beta3.DeleteProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getDeleteProcessorMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Enables a processor
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        enableProcessor(com.google.cloud.documentai.v1beta3.EnableProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getEnableProcessorMethod(), getCallOptions()), request);
+    }
+
+    /**
+     *
+     *
+     * <pre>
+     * Disables a processor
+     * </pre>
+     */
+    public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
+        disableProcessor(com.google.cloud.documentai.v1beta3.DisableProcessorRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getDisableProcessorMethod(), getCallOptions()), request);
+    }
+
     /**
      *
      *
@@ -515,7 +1200,13 @@ protected DocumentProcessorServiceFutureStub build(
 
   private static final int METHODID_PROCESS_DOCUMENT = 0;
   private static final int METHODID_BATCH_PROCESS_DOCUMENTS = 1;
-  private static final int METHODID_REVIEW_DOCUMENT = 2;
+  private static final int METHODID_FETCH_PROCESSOR_TYPES = 2;
+  private static final int METHODID_LIST_PROCESSORS = 3;
+  private static final int METHODID_CREATE_PROCESSOR = 4;
+  private static final int METHODID_DELETE_PROCESSOR = 5;
+  private static final int METHODID_ENABLE_PROCESSOR = 6;
+  private static final int METHODID_DISABLE_PROCESSOR = 7;
+  private static final int METHODID_REVIEW_DOCUMENT = 8;
 
   private static final class MethodHandlers<Req, Resp>
       implements io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
@@ -545,6 +1236,41 @@ public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserv
               (com.google.cloud.documentai.v1beta3.BatchProcessRequest) request,
               (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
           break;
+        case METHODID_FETCH_PROCESSOR_TYPES:
+          serviceImpl.fetchProcessorTypes(
+              (com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest) request,
+              (io.grpc.stub.StreamObserver<
+                      com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse>)
+                  responseObserver);
+          break;
+        case METHODID_LIST_PROCESSORS:
+          serviceImpl.listProcessors(
+              (com.google.cloud.documentai.v1beta3.ListProcessorsRequest) request,
+              (io.grpc.stub.StreamObserver<
+                      com.google.cloud.documentai.v1beta3.ListProcessorsResponse>)
+                  responseObserver);
+          break;
+        case METHODID_CREATE_PROCESSOR:
+          serviceImpl.createProcessor(
+              (com.google.cloud.documentai.v1beta3.CreateProcessorRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.cloud.documentai.v1beta3.Processor>)
+                  responseObserver);
+          break;
+        case METHODID_DELETE_PROCESSOR:
+          serviceImpl.deleteProcessor(
+              (com.google.cloud.documentai.v1beta3.DeleteProcessorRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
+        case METHODID_ENABLE_PROCESSOR:
+          serviceImpl.enableProcessor(
+              (com.google.cloud.documentai.v1beta3.EnableProcessorRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
+        case METHODID_DISABLE_PROCESSOR:
+          serviceImpl.disableProcessor(
+              (com.google.cloud.documentai.v1beta3.DisableProcessorRequest) request,
+              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
+          break;
         case METHODID_REVIEW_DOCUMENT:
           serviceImpl.reviewDocument(
               (com.google.cloud.documentai.v1beta3.ReviewDocumentRequest) request,
@@ -616,6 +1342,12 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
                       .setSchemaDescriptor(new DocumentProcessorServiceFileDescriptorSupplier())
                       .addMethod(getProcessDocumentMethod())
                       .addMethod(getBatchProcessDocumentsMethod())
+                      .addMethod(getFetchProcessorTypesMethod())
+                      .addMethod(getListProcessorsMethod())
+                      .addMethod(getCreateProcessorMethod())
+                      .addMethod(getDeleteProcessorMethod())
+                      .addMethod(getEnableProcessorMethod())
+                      .addMethod(getDisableProcessorMethod())
                       .addMethod(getReviewDocumentMethod())
                       .build();
         }
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequest.java
new file mode 100644
index 00000000..a441d526
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequest.java
@@ -0,0 +1,976 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for create a processor. Notice this request is sent to
+ * a regionalized backend service, and if the processor type is not available
+ * on that region, the creation will fail.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.CreateProcessorRequest}
+ */
+public final class CreateProcessorRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.CreateProcessorRequest)
+    CreateProcessorRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use CreateProcessorRequest.newBuilder() to construct.
+  private CreateProcessorRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private CreateProcessorRequest() {
+    parent_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new CreateProcessorRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private CreateProcessorRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              parent_ = s;
+              break;
+            }
+          case 18:
+            {
+              com.google.cloud.documentai.v1beta3.Processor.Builder subBuilder = null;
+              if (processor_ != null) {
+                subBuilder = processor_.toBuilder();
+              }
+              processor_ =
+                  input.readMessage(
+                      com.google.cloud.documentai.v1beta3.Processor.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(processor_);
+                processor_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.CreateProcessorRequest.class,
+            com.google.cloud.documentai.v1beta3.CreateProcessorRequest.Builder.class);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+  private volatile java.lang.Object parent_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) under which to create the processor.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) under which to create the processor.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PROCESSOR_FIELD_NUMBER = 2;
+  private com.google.cloud.documentai.v1beta3.Processor processor_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the processor field is set.
+   */
+  @java.lang.Override
+  public boolean hasProcessor() {
+    return processor_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The processor.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.Processor getProcessor() {
+    return processor_ == null
+        ? com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance()
+        : processor_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorOrBuilder() {
+    return getProcessor();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getParentBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
+    }
+    if (processor_ != null) {
+      output.writeMessage(2, getProcessor());
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getParentBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
+    }
+    if (processor_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getProcessor());
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.CreateProcessorRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.CreateProcessorRequest other =
+        (com.google.cloud.documentai.v1beta3.CreateProcessorRequest) obj;
+
+    if (!getParent().equals(other.getParent())) return false;
+    if (hasProcessor() != other.hasProcessor()) return false;
+    if (hasProcessor()) {
+      if (!getProcessor().equals(other.getProcessor())) return false;
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + PARENT_FIELD_NUMBER;
+    hash = (53 * hash) + getParent().hashCode();
+    if (hasProcessor()) {
+      hash = (37 * hash) + PROCESSOR_FIELD_NUMBER;
+      hash = (53 * hash) + getProcessor().hashCode();
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.CreateProcessorRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request message for create a processor. Notice this request is sent to
+   * a regionalized backend service, and if the processor type is not available
+   * on that region, the creation will fail.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.CreateProcessorRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.CreateProcessorRequest)
+      com.google.cloud.documentai.v1beta3.CreateProcessorRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.CreateProcessorRequest.class,
+              com.google.cloud.documentai.v1beta3.CreateProcessorRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.CreateProcessorRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      parent_ = "";
+
+      if (processorBuilder_ == null) {
+        processor_ = null;
+      } else {
+        processor_ = null;
+        processorBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.CreateProcessorRequest getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.CreateProcessorRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.CreateProcessorRequest build() {
+      com.google.cloud.documentai.v1beta3.CreateProcessorRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.CreateProcessorRequest buildPartial() {
+      com.google.cloud.documentai.v1beta3.CreateProcessorRequest result =
+          new com.google.cloud.documentai.v1beta3.CreateProcessorRequest(this);
+      result.parent_ = parent_;
+      if (processorBuilder_ == null) {
+        result.processor_ = processor_;
+      } else {
+        result.processor_ = processorBuilder_.build();
+      }
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.CreateProcessorRequest) {
+        return mergeFrom((com.google.cloud.documentai.v1beta3.CreateProcessorRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.CreateProcessorRequest other) {
+      if (other == com.google.cloud.documentai.v1beta3.CreateProcessorRequest.getDefaultInstance())
+        return this;
+      if (!other.getParent().isEmpty()) {
+        parent_ = other.parent_;
+        onChanged();
+      }
+      if (other.hasProcessor()) {
+        mergeProcessor(other.getProcessor());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.CreateProcessorRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.CreateProcessorRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object parent_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) under which to create the processor.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) under which to create the processor.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) under which to create the processor.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) under which to create the processor.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+
+      parent_ = getDefaultInstance().getParent();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) under which to create the processor.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+
+    private com.google.cloud.documentai.v1beta3.Processor processor_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.Processor,
+            com.google.cloud.documentai.v1beta3.Processor.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+        processorBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return Whether the processor field is set.
+     */
+    public boolean hasProcessor() {
+      return processorBuilder_ != null || processor_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     *
+     * @return The processor.
+     */
+    public com.google.cloud.documentai.v1beta3.Processor getProcessor() {
+      if (processorBuilder_ == null) {
+        return processor_ == null
+            ? com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance()
+            : processor_;
+      } else {
+        return processorBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setProcessor(com.google.cloud.documentai.v1beta3.Processor value) {
+      if (processorBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        processor_ = value;
+        onChanged();
+      } else {
+        processorBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder setProcessor(
+        com.google.cloud.documentai.v1beta3.Processor.Builder builderForValue) {
+      if (processorBuilder_ == null) {
+        processor_ = builderForValue.build();
+        onChanged();
+      } else {
+        processorBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder mergeProcessor(com.google.cloud.documentai.v1beta3.Processor value) {
+      if (processorBuilder_ == null) {
+        if (processor_ != null) {
+          processor_ =
+              com.google.cloud.documentai.v1beta3.Processor.newBuilder(processor_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          processor_ = value;
+        }
+        onChanged();
+      } else {
+        processorBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public Builder clearProcessor() {
+      if (processorBuilder_ == null) {
+        processor_ = null;
+        onChanged();
+      } else {
+        processor_ = null;
+        processorBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor.Builder getProcessorBuilder() {
+
+      onChanged();
+      return getProcessorFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorOrBuilder() {
+      if (processorBuilder_ != null) {
+        return processorBuilder_.getMessageOrBuilder();
+      } else {
+        return processor_ == null
+            ? com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance()
+            : processor_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor to be created, requires [processor_type] and [display_name]
+     * to be set. Also, the processor is under CMEK if CMEK fields are set.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+     * </code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.Processor,
+            com.google.cloud.documentai.v1beta3.Processor.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+        getProcessorFieldBuilder() {
+      if (processorBuilder_ == null) {
+        processorBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.Processor,
+                com.google.cloud.documentai.v1beta3.Processor.Builder,
+                com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>(
+                getProcessor(), getParentForChildren(), isClean());
+        processor_ = null;
+      }
+      return processorBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.CreateProcessorRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.CreateProcessorRequest)
+  private static final com.google.cloud.documentai.v1beta3.CreateProcessorRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.CreateProcessorRequest();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.CreateProcessorRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<CreateProcessorRequest> PARSER =
+      new com.google.protobuf.AbstractParser<CreateProcessorRequest>() {
+        @java.lang.Override
+        public CreateProcessorRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new CreateProcessorRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<CreateProcessorRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<CreateProcessorRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CreateProcessorRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequestOrBuilder.java
new file mode 100644
index 00000000..b6447d19
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CreateProcessorRequestOrBuilder.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface CreateProcessorRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.CreateProcessorRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) under which to create the processor.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) under which to create the processor.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return Whether the processor field is set.
+   */
+  boolean hasProcessor();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   *
+   * @return The processor.
+   */
+  com.google.cloud.documentai.v1beta3.Processor getProcessor();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor to be created, requires [processor_type] and [display_name]
+   * to be set. Also, the processor is under CMEK if CMEK fields are set.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor processor = 2 [(.google.api.field_behavior) = REQUIRED];
+   * </code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorOrBuilder();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadata.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadata.java
new file mode 100644
index 00000000..ba296301
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadata.java
@@ -0,0 +1,742 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * The long running operation metadata for delete processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.DeleteProcessorMetadata}
+ */
+public final class DeleteProcessorMetadata extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.DeleteProcessorMetadata)
+    DeleteProcessorMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DeleteProcessorMetadata.newBuilder() to construct.
+  private DeleteProcessorMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DeleteProcessorMetadata() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new DeleteProcessorMetadata();
+  }
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+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+        switch (tag) {
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+            break;
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+              if (commonMetadata_ != null) {
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+              }
+              commonMetadata_ =
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+              if (subBuilder != null) {
+                subBuilder.mergeFrom(commonMetadata_);
+                commonMetadata_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
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+              break;
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+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
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+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor;
+  }
+
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+  }
+
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+  private com.google.cloud.documentai.v1beta3.CommonOperationMetadata commonMetadata_;
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  @java.lang.Override
+  public boolean hasCommonMetadata() {
+    return commonMetadata_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata() {
+    return commonMetadata_ == null
+        ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+        : commonMetadata_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder
+      getCommonMetadataOrBuilder() {
+    return getCommonMetadata();
+  }
+
+  private byte memoizedIsInitialized = -1;
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+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
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+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
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+    unknownFields.writeTo(output);
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+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
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+    memoizedSize = size;
+    return size;
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+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata other =
+        (com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata) obj;
+
+    if (hasCommonMetadata() != other.hasCommonMetadata()) return false;
+    if (hasCommonMetadata()) {
+      if (!getCommonMetadata().equals(other.getCommonMetadata())) return false;
+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasCommonMetadata()) {
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+      hash = (53 * hash) + getCommonMetadata().hashCode();
+    }
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The long running operation metadata for delete processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.DeleteProcessorMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.DeleteProcessorMetadata)
+      com.google.cloud.documentai.v1beta3.DeleteProcessorMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata.class,
+              com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
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+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
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+    private void maybeForceBuilderInitialization() {
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+      if (commonMetadataBuilder_ == null) {
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+        commonMetadataBuilder_ = null;
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+      return this;
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+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata.getDefaultInstance();
+    }
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+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata build() {
+      com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata buildPartial() {
+      com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata result =
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+      if (commonMetadataBuilder_ == null) {
+        result.commonMetadata_ = commonMetadata_;
+      } else {
+        result.commonMetadata_ = commonMetadataBuilder_.build();
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+      onBuilt();
+      return result;
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+    @java.lang.Override
+    public Builder clone() {
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+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
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+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
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+    @java.lang.Override
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+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
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+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
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+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata) {
+        return mergeFrom((com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata other) {
+      if (other == com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata.getDefaultInstance())
+        return this;
+      if (other.hasCommonMetadata()) {
+        mergeCommonMetadata(other.getCommonMetadata());
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
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+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
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+
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+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
+        commonMetadataBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     *
+     * @return Whether the commonMetadata field is set.
+     */
+    public boolean hasCommonMetadata() {
+      return commonMetadataBuilder_ != null || commonMetadata_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     *
+     * @return The commonMetadata.
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata() {
+      if (commonMetadataBuilder_ == null) {
+        return commonMetadata_ == null
+            ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+            : commonMetadata_;
+      } else {
+        return commonMetadataBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder setCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata value) {
+      if (commonMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        commonMetadata_ = value;
+        onChanged();
+      } else {
+        commonMetadataBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder setCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder builderForValue) {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = builderForValue.build();
+        onChanged();
+      } else {
+        commonMetadataBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder mergeCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata value) {
+      if (commonMetadataBuilder_ == null) {
+        if (commonMetadata_ != null) {
+          commonMetadata_ =
+              com.google.cloud.documentai.v1beta3.CommonOperationMetadata.newBuilder(
+                      commonMetadata_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          commonMetadata_ = value;
+        }
+        onChanged();
+      } else {
+        commonMetadataBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder clearCommonMetadata() {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = null;
+        onChanged();
+      } else {
+        commonMetadata_ = null;
+        commonMetadataBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder
+        getCommonMetadataBuilder() {
+
+      onChanged();
+      return getCommonMetadataFieldBuilder().getBuilder();
+    }
+    /**
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+     * <pre>
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+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
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+        getCommonMetadataOrBuilder() {
+      if (commonMetadataBuilder_ != null) {
+        return commonMetadataBuilder_.getMessageOrBuilder();
+      } else {
+        return commonMetadata_ == null
+            ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+            : commonMetadata_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
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+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
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+                getCommonMetadata(), getParentForChildren(), isClean());
+        commonMetadata_ = null;
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+      return commonMetadataBuilder_;
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+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
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+    @java.lang.Override
+    public final Builder mergeUnknownFields(
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+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.DeleteProcessorMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.DeleteProcessorMetadata)
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+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DeleteProcessorMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<DeleteProcessorMetadata>() {
+        @java.lang.Override
+        public DeleteProcessorMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DeleteProcessorMetadata(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<DeleteProcessorMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DeleteProcessorMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.DeleteProcessorMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadataOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadataOrBuilder.java
new file mode 100644
index 00000000..fd8cf919
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorMetadataOrBuilder.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface DeleteProcessorMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.DeleteProcessorMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  boolean hasCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder getCommonMetadataOrBuilder();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequest.java
new file mode 100644
index 00000000..175b4256
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequest.java
@@ -0,0 +1,651 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for the delete processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.DeleteProcessorRequest}
+ */
+public final class DeleteProcessorRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.DeleteProcessorRequest)
+    DeleteProcessorRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DeleteProcessorRequest.newBuilder() to construct.
+  private DeleteProcessorRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DeleteProcessorRequest() {
+    name_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new DeleteProcessorRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private DeleteProcessorRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
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+      while (!done) {
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+        switch (tag) {
+          case 0:
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+            break;
+          case 10:
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+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.class,
+            com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
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+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be deleted.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
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+      name_ = b;
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+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
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+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getNameBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
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+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.DeleteProcessorRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.DeleteProcessorRequest other =
+        (com.google.cloud.documentai.v1beta3.DeleteProcessorRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.DeleteProcessorRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request message for the delete processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.DeleteProcessorRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.DeleteProcessorRequest)
+      com.google.cloud.documentai.v1beta3.DeleteProcessorRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.class,
+              com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
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+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      name_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorRequest getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorRequest build() {
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+      if (!result.isInitialized()) {
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+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DeleteProcessorRequest buildPartial() {
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+      result.name_ = name_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
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+    }
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+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
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+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.DeleteProcessorRequest) {
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+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.DeleteProcessorRequest other) {
+      if (other == com.google.cloud.documentai.v1beta3.DeleteProcessorRequest.getDefaultInstance())
+        return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.DeleteProcessorRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.DeleteProcessorRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be deleted.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be deleted.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be deleted.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be deleted.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be deleted.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.DeleteProcessorRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.DeleteProcessorRequest)
+  private static final com.google.cloud.documentai.v1beta3.DeleteProcessorRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.DeleteProcessorRequest();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DeleteProcessorRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DeleteProcessorRequest> PARSER =
+      new com.google.protobuf.AbstractParser<DeleteProcessorRequest>() {
+        @java.lang.Override
+        public DeleteProcessorRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DeleteProcessorRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<DeleteProcessorRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DeleteProcessorRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.DeleteProcessorRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequestOrBuilder.java
new file mode 100644
index 00000000..89fd0d2d
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DeleteProcessorRequestOrBuilder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface DeleteProcessorRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.DeleteProcessorRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be deleted.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be deleted.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadata.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadata.java
new file mode 100644
index 00000000..3f8ece41
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadata.java
@@ -0,0 +1,745 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * The long running operation metadata for disable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorMetadata}
+ */
+public final class DisableProcessorMetadata extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.DisableProcessorMetadata)
+    DisableProcessorMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DisableProcessorMetadata.newBuilder() to construct.
+  private DisableProcessorMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DisableProcessorMetadata() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new DisableProcessorMetadata();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private DisableProcessorMetadata(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 42:
+            {
+              com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder subBuilder = null;
+              if (commonMetadata_ != null) {
+                subBuilder = commonMetadata_.toBuilder();
+              }
+              commonMetadata_ =
+                  input.readMessage(
+                      com.google.cloud.documentai.v1beta3.CommonOperationMetadata.parser(),
+                      extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(commonMetadata_);
+                commonMetadata_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
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+        .ensureFieldAccessorsInitialized(
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+
+  public static final int COMMON_METADATA_FIELD_NUMBER = 5;
+  private com.google.cloud.documentai.v1beta3.CommonOperationMetadata commonMetadata_;
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  @java.lang.Override
+  public boolean hasCommonMetadata() {
+    return commonMetadata_ != null;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata() {
+    return commonMetadata_ == null
+        ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+        : commonMetadata_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
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+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder
+      getCommonMetadataOrBuilder() {
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+  }
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+  private byte memoizedIsInitialized = -1;
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+  @java.lang.Override
+  public final boolean isInitialized() {
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+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
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+    unknownFields.writeTo(output);
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+  @java.lang.Override
+  public int getSerializedSize() {
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+    if (size != -1) return size;
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+    size = 0;
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+    memoizedSize = size;
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+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
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+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.DisableProcessorMetadata)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.DisableProcessorMetadata other =
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+    if (hasCommonMetadata() != other.hasCommonMetadata()) return false;
+    if (hasCommonMetadata()) {
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+    }
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasCommonMetadata()) {
+      hash = (37 * hash) + COMMON_METADATA_FIELD_NUMBER;
+      hash = (53 * hash) + getCommonMetadata().hashCode();
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+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.DisableProcessorMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The long running operation metadata for disable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.DisableProcessorMetadata)
+      com.google.cloud.documentai.v1beta3.DisableProcessorMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.DisableProcessorMetadata.class,
+              com.google.cloud.documentai.v1beta3.DisableProcessorMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.DisableProcessorMetadata.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
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+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = null;
+      } else {
+        commonMetadata_ = null;
+        commonMetadataBuilder_ = null;
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorMetadata
+        getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.DisableProcessorMetadata.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorMetadata build() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorMetadata result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorMetadata buildPartial() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorMetadata result =
+          new com.google.cloud.documentai.v1beta3.DisableProcessorMetadata(this);
+      if (commonMetadataBuilder_ == null) {
+        result.commonMetadata_ = commonMetadata_;
+      } else {
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+      }
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
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+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
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+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
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+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.DisableProcessorMetadata) {
+        return mergeFrom((com.google.cloud.documentai.v1beta3.DisableProcessorMetadata) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.DisableProcessorMetadata other) {
+      if (other
+          == com.google.cloud.documentai.v1beta3.DisableProcessorMetadata.getDefaultInstance())
+        return this;
+      if (other.hasCommonMetadata()) {
+        mergeCommonMetadata(other.getCommonMetadata());
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.DisableProcessorMetadata parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.DisableProcessorMetadata) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private com.google.cloud.documentai.v1beta3.CommonOperationMetadata commonMetadata_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
+        commonMetadataBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     *
+     * @return Whether the commonMetadata field is set.
+     */
+    public boolean hasCommonMetadata() {
+      return commonMetadataBuilder_ != null || commonMetadata_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     *
+     * @return The commonMetadata.
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata() {
+      if (commonMetadataBuilder_ == null) {
+        return commonMetadata_ == null
+            ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+            : commonMetadata_;
+      } else {
+        return commonMetadataBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder setCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata value) {
+      if (commonMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        commonMetadata_ = value;
+        onChanged();
+      } else {
+        commonMetadataBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder setCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder builderForValue) {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = builderForValue.build();
+        onChanged();
+      } else {
+        commonMetadataBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder mergeCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata value) {
+      if (commonMetadataBuilder_ == null) {
+        if (commonMetadata_ != null) {
+          commonMetadata_ =
+              com.google.cloud.documentai.v1beta3.CommonOperationMetadata.newBuilder(
+                      commonMetadata_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          commonMetadata_ = value;
+        }
+        onChanged();
+      } else {
+        commonMetadataBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder clearCommonMetadata() {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = null;
+        onChanged();
+      } else {
+        commonMetadata_ = null;
+        commonMetadataBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder
+        getCommonMetadataBuilder() {
+
+      onChanged();
+      return getCommonMetadataFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder
+        getCommonMetadataOrBuilder() {
+      if (commonMetadataBuilder_ != null) {
+        return commonMetadataBuilder_.getMessageOrBuilder();
+      } else {
+        return commonMetadata_ == null
+            ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+            : commonMetadata_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
+        getCommonMetadataFieldBuilder() {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>(
+                getCommonMetadata(), getParentForChildren(), isClean());
+        commonMetadata_ = null;
+      }
+      return commonMetadataBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.DisableProcessorMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.DisableProcessorMetadata)
+  private static final com.google.cloud.documentai.v1beta3.DisableProcessorMetadata
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.DisableProcessorMetadata();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DisableProcessorMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<DisableProcessorMetadata>() {
+        @java.lang.Override
+        public DisableProcessorMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DisableProcessorMetadata(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<DisableProcessorMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DisableProcessorMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.DisableProcessorMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadataOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadataOrBuilder.java
new file mode 100644
index 00000000..ca7ca5c6
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorMetadataOrBuilder.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface DisableProcessorMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.DisableProcessorMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  boolean hasCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder getCommonMetadataOrBuilder();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequest.java
new file mode 100644
index 00000000..65bee6be
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequest.java
@@ -0,0 +1,651 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for the disable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorRequest}
+ */
+public final class DisableProcessorRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.DisableProcessorRequest)
+    DisableProcessorRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DisableProcessorRequest.newBuilder() to construct.
+  private DisableProcessorRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DisableProcessorRequest() {
+    name_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new DisableProcessorRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private DisableProcessorRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.DisableProcessorRequest.class,
+            com.google.cloud.documentai.v1beta3.DisableProcessorRequest.Builder.class);
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be disabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be disabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (!getNameBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (!getNameBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.DisableProcessorRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.DisableProcessorRequest other =
+        (com.google.cloud.documentai.v1beta3.DisableProcessorRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.DisableProcessorRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request message for the disable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.DisableProcessorRequest)
+      com.google.cloud.documentai.v1beta3.DisableProcessorRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.DisableProcessorRequest.class,
+              com.google.cloud.documentai.v1beta3.DisableProcessorRequest.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.DisableProcessorRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      name_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorRequest getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.DisableProcessorRequest.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorRequest build() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorRequest result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorRequest buildPartial() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorRequest result =
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+      result.name_ = name_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.DisableProcessorRequest) {
+        return mergeFrom((com.google.cloud.documentai.v1beta3.DisableProcessorRequest) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.DisableProcessorRequest other) {
+      if (other == com.google.cloud.documentai.v1beta3.DisableProcessorRequest.getDefaultInstance())
+        return this;
+      if (!other.getName().isEmpty()) {
+        name_ = other.name_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.DisableProcessorRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.DisableProcessorRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be disabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be disabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be disabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be disabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be disabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.DisableProcessorRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.DisableProcessorRequest)
+  private static final com.google.cloud.documentai.v1beta3.DisableProcessorRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.DisableProcessorRequest();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DisableProcessorRequest> PARSER =
+      new com.google.protobuf.AbstractParser<DisableProcessorRequest>() {
+        @java.lang.Override
+        public DisableProcessorRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DisableProcessorRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<DisableProcessorRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DisableProcessorRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.DisableProcessorRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequestOrBuilder.java
new file mode 100644
index 00000000..e9f04327
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorRequestOrBuilder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface DisableProcessorRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.DisableProcessorRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be disabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be disabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponse.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponse.java
new file mode 100644
index 00000000..4cd30c61
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponse.java
@@ -0,0 +1,460 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for the disable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorResponse}
+ */
+public final class DisableProcessorResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.DisableProcessorResponse)
+    DisableProcessorResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DisableProcessorResponse.newBuilder() to construct.
+  private DisableProcessorResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private DisableProcessorResponse() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new DisableProcessorResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private DisableProcessorResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.DisableProcessorResponse.class,
+            com.google.cloud.documentai.v1beta3.DisableProcessorResponse.Builder.class);
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.DisableProcessorResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.DisableProcessorResponse other =
+        (com.google.cloud.documentai.v1beta3.DisableProcessorResponse) obj;
+
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.DisableProcessorResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Response message for the disable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.DisableProcessorResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.DisableProcessorResponse)
+      com.google.cloud.documentai.v1beta3.DisableProcessorResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.documentai.v1beta3.DisableProcessorResponse.class,
+              com.google.cloud.documentai.v1beta3.DisableProcessorResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.DisableProcessorResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorResponse
+        getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.DisableProcessorResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorResponse build() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.DisableProcessorResponse buildPartial() {
+      com.google.cloud.documentai.v1beta3.DisableProcessorResponse result =
+          new com.google.cloud.documentai.v1beta3.DisableProcessorResponse(this);
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.setField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+
+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.documentai.v1beta3.DisableProcessorResponse) {
+        return mergeFrom((com.google.cloud.documentai.v1beta3.DisableProcessorResponse) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.DisableProcessorResponse other) {
+      if (other
+          == com.google.cloud.documentai.v1beta3.DisableProcessorResponse.getDefaultInstance())
+        return this;
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.DisableProcessorResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.DisableProcessorResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.DisableProcessorResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.DisableProcessorResponse)
+  private static final com.google.cloud.documentai.v1beta3.DisableProcessorResponse
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.DisableProcessorResponse();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.DisableProcessorResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<DisableProcessorResponse> PARSER =
+      new com.google.protobuf.AbstractParser<DisableProcessorResponse>() {
+        @java.lang.Override
+        public DisableProcessorResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DisableProcessorResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<DisableProcessorResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<DisableProcessorResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.DisableProcessorResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponseOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponseOrBuilder.java
new file mode 100644
index 00000000..ab943270
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DisableProcessorResponseOrBuilder.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface DisableProcessorResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.DisableProcessorResponse)
+    com.google.protobuf.MessageOrBuilder {}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Document.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Document.java
index f89147db..5a72ddb3 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Document.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Document.java
@@ -4809,6 +4809,41 @@ com.google.cloud.documentai.v1beta3.Document.Page.ParagraphOrBuilder getParagrap
      */
     com.google.cloud.documentai.v1beta3.Document.Page.FormFieldOrBuilder getFormFieldsOrBuilder(
         int index);
+
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     *
+     * @return Whether the provenance field is set.
+     */
+    boolean hasProvenance();
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     *
+     * @return The provenance.
+     */
+    com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance();
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     */
+    com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder getProvenanceOrBuilder();
   }
   /**
    *
@@ -5054,6 +5089,23 @@ private Page(
                         extensionRegistry));
                 break;
               }
+            case 130:
+              {
+                com.google.cloud.documentai.v1beta3.Document.Provenance.Builder subBuilder = null;
+                if (provenance_ != null) {
+                  subBuilder = provenance_.toBuilder();
+                }
+                provenance_ =
+                    input.readMessage(
+                        com.google.cloud.documentai.v1beta3.Document.Provenance.parser(),
+                        extensionRegistry);
+                if (subBuilder != null) {
+                  subBuilder.mergeFrom(provenance_);
+                  provenance_ = subBuilder.buildPartial();
+                }
+
+                break;
+              }
             default:
               {
                 if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -24891,6 +24943,41 @@ com.google.cloud.documentai.v1beta3.Document.Page.DetectedLanguage getValueDetec
        * @return The bytes for valueType.
        */
       com.google.protobuf.ByteString getValueTypeBytes();
+
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       *
+       * @return Whether the provenance field is set.
+       */
+      boolean hasProvenance();
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       *
+       * @return The provenance.
+       */
+      com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance();
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       */
+      com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder getProvenanceOrBuilder();
     }
     /**
      *
@@ -25018,6 +25105,23 @@ private FormField(
                   java.lang.String s = input.readStringRequireUtf8();
 
                   valueType_ = s;
+                  break;
+                }
+              case 66:
+                {
+                  com.google.cloud.documentai.v1beta3.Document.Provenance.Builder subBuilder = null;
+                  if (provenance_ != null) {
+                    subBuilder = provenance_.toBuilder();
+                  }
+                  provenance_ =
+                      input.readMessage(
+                          com.google.cloud.documentai.v1beta3.Document.Provenance.parser(),
+                          extensionRegistry);
+                  if (subBuilder != null) {
+                    subBuilder.mergeFrom(provenance_);
+                    provenance_ = subBuilder.buildPartial();
+                  }
+
                   break;
                 }
               default:
@@ -25388,6 +25492,55 @@ public com.google.protobuf.ByteString getValueTypeBytes() {
         }
       }
 
+      public static final int PROVENANCE_FIELD_NUMBER = 8;
+      private com.google.cloud.documentai.v1beta3.Document.Provenance provenance_;
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       *
+       * @return Whether the provenance field is set.
+       */
+      @java.lang.Override
+      public boolean hasProvenance() {
+        return provenance_ != null;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       *
+       * @return The provenance.
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance() {
+        return provenance_ == null
+            ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+            : provenance_;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this annotation.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+       */
+      @java.lang.Override
+      public com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder
+          getProvenanceOrBuilder() {
+        return getProvenance();
+      }
+
       private byte memoizedIsInitialized = -1;
 
       @java.lang.Override
@@ -25417,6 +25570,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         if (!getValueTypeBytes().isEmpty()) {
           com.google.protobuf.GeneratedMessageV3.writeString(output, 5, valueType_);
         }
+        if (provenance_ != null) {
+          output.writeMessage(8, getProvenance());
+        }
         unknownFields.writeTo(output);
       }
 
@@ -25445,6 +25601,9 @@ public int getSerializedSize() {
         if (!getValueTypeBytes().isEmpty()) {
           size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, valueType_);
         }
+        if (provenance_ != null) {
+          size += com.google.protobuf.CodedOutputStream.computeMessageSize(8, getProvenance());
+        }
         size += unknownFields.getSerializedSize();
         memoizedSize = size;
         return size;
@@ -25474,6 +25633,10 @@ public boolean equals(final java.lang.Object obj) {
         if (!getValueDetectedLanguagesList().equals(other.getValueDetectedLanguagesList()))
           return false;
         if (!getValueType().equals(other.getValueType())) return false;
+        if (hasProvenance() != other.hasProvenance()) return false;
+        if (hasProvenance()) {
+          if (!getProvenance().equals(other.getProvenance())) return false;
+        }
         if (!unknownFields.equals(other.unknownFields)) return false;
         return true;
       }
@@ -25503,6 +25666,10 @@ public int hashCode() {
         }
         hash = (37 * hash) + VALUE_TYPE_FIELD_NUMBER;
         hash = (53 * hash) + getValueType().hashCode();
+        if (hasProvenance()) {
+          hash = (37 * hash) + PROVENANCE_FIELD_NUMBER;
+          hash = (53 * hash) + getProvenance().hashCode();
+        }
         hash = (29 * hash) + unknownFields.hashCode();
         memoizedHashCode = hash;
         return hash;
@@ -25680,6 +25847,12 @@ public Builder clear() {
           }
           valueType_ = "";
 
+          if (provenanceBuilder_ == null) {
+            provenance_ = null;
+          } else {
+            provenance_ = null;
+            provenanceBuilder_ = null;
+          }
           return this;
         }
 
@@ -25740,6 +25913,11 @@ public com.google.cloud.documentai.v1beta3.Document.Page.FormField buildPartial(
             result.valueDetectedLanguages_ = valueDetectedLanguagesBuilder_.build();
           }
           result.valueType_ = valueType_;
+          if (provenanceBuilder_ == null) {
+            result.provenance_ = provenance_;
+          } else {
+            result.provenance_ = provenanceBuilder_.build();
+          }
           onBuilt();
           return result;
         }
@@ -25858,6 +26036,9 @@ public Builder mergeFrom(
             valueType_ = other.valueType_;
             onChanged();
           }
+          if (other.hasProvenance()) {
+            mergeProvenance(other.getProvenance());
+          }
           this.mergeUnknownFields(other.unknownFields);
           onChanged();
           return this;
@@ -27238,6 +27419,196 @@ public Builder setValueTypeBytes(com.google.protobuf.ByteString value) {
           return this;
         }
 
+        private com.google.cloud.documentai.v1beta3.Document.Provenance provenance_;
+        private com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.Document.Provenance,
+                com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+                com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>
+            provenanceBuilder_;
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         *
+         * @return Whether the provenance field is set.
+         */
+        public boolean hasProvenance() {
+          return provenanceBuilder_ != null || provenance_ != null;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         *
+         * @return The provenance.
+         */
+        public com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance() {
+          if (provenanceBuilder_ == null) {
+            return provenance_ == null
+                ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+                : provenance_;
+          } else {
+            return provenanceBuilder_.getMessage();
+          }
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public Builder setProvenance(
+            com.google.cloud.documentai.v1beta3.Document.Provenance value) {
+          if (provenanceBuilder_ == null) {
+            if (value == null) {
+              throw new NullPointerException();
+            }
+            provenance_ = value;
+            onChanged();
+          } else {
+            provenanceBuilder_.setMessage(value);
+          }
+
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public Builder setProvenance(
+            com.google.cloud.documentai.v1beta3.Document.Provenance.Builder builderForValue) {
+          if (provenanceBuilder_ == null) {
+            provenance_ = builderForValue.build();
+            onChanged();
+          } else {
+            provenanceBuilder_.setMessage(builderForValue.build());
+          }
+
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public Builder mergeProvenance(
+            com.google.cloud.documentai.v1beta3.Document.Provenance value) {
+          if (provenanceBuilder_ == null) {
+            if (provenance_ != null) {
+              provenance_ =
+                  com.google.cloud.documentai.v1beta3.Document.Provenance.newBuilder(provenance_)
+                      .mergeFrom(value)
+                      .buildPartial();
+            } else {
+              provenance_ = value;
+            }
+            onChanged();
+          } else {
+            provenanceBuilder_.mergeFrom(value);
+          }
+
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public Builder clearProvenance() {
+          if (provenanceBuilder_ == null) {
+            provenance_ = null;
+            onChanged();
+          } else {
+            provenance_ = null;
+            provenanceBuilder_ = null;
+          }
+
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public com.google.cloud.documentai.v1beta3.Document.Provenance.Builder
+            getProvenanceBuilder() {
+
+          onChanged();
+          return getProvenanceFieldBuilder().getBuilder();
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        public com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder
+            getProvenanceOrBuilder() {
+          if (provenanceBuilder_ != null) {
+            return provenanceBuilder_.getMessageOrBuilder();
+          } else {
+            return provenance_ == null
+                ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+                : provenance_;
+          }
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The history of this annotation.
+         * </pre>
+         *
+         * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 8;</code>
+         */
+        private com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.Document.Provenance,
+                com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+                com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>
+            getProvenanceFieldBuilder() {
+          if (provenanceBuilder_ == null) {
+            provenanceBuilder_ =
+                new com.google.protobuf.SingleFieldBuilderV3<
+                    com.google.cloud.documentai.v1beta3.Document.Provenance,
+                    com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+                    com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>(
+                    getProvenance(), getParentForChildren(), isClean());
+            provenance_ = null;
+          }
+          return provenanceBuilder_;
+        }
+
         @java.lang.Override
         public final Builder setUnknownFields(
             final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -28960,6 +29331,55 @@ public com.google.cloud.documentai.v1beta3.Document.Page.FormField getFormFields
       return formFields_.get(index);
     }
 
+    public static final int PROVENANCE_FIELD_NUMBER = 16;
+    private com.google.cloud.documentai.v1beta3.Document.Provenance provenance_;
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     *
+     * @return Whether the provenance field is set.
+     */
+    @java.lang.Override
+    public boolean hasProvenance() {
+      return provenance_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     *
+     * @return The provenance.
+     */
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance() {
+      return provenance_ == null
+          ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+          : provenance_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The history of this page.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+     */
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder
+        getProvenanceOrBuilder() {
+      return getProvenance();
+    }
+
     private byte memoizedIsInitialized = -1;
 
     @java.lang.Override
@@ -29013,6 +29433,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       for (int i = 0; i < transforms_.size(); i++) {
         output.writeMessage(14, transforms_.get(i));
       }
+      if (provenance_ != null) {
+        output.writeMessage(16, getProvenance());
+      }
       unknownFields.writeTo(output);
     }
 
@@ -29062,6 +29485,9 @@ public int getSerializedSize() {
       for (int i = 0; i < transforms_.size(); i++) {
         size += com.google.protobuf.CodedOutputStream.computeMessageSize(14, transforms_.get(i));
       }
+      if (provenance_ != null) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(16, getProvenance());
+      }
       size += unknownFields.getSerializedSize();
       memoizedSize = size;
       return size;
@@ -29100,6 +29526,10 @@ public boolean equals(final java.lang.Object obj) {
       if (!getVisualElementsList().equals(other.getVisualElementsList())) return false;
       if (!getTablesList().equals(other.getTablesList())) return false;
       if (!getFormFieldsList().equals(other.getFormFieldsList())) return false;
+      if (hasProvenance() != other.hasProvenance()) return false;
+      if (hasProvenance()) {
+        if (!getProvenance().equals(other.getProvenance())) return false;
+      }
       if (!unknownFields.equals(other.unknownFields)) return false;
       return true;
     }
@@ -29161,6 +29591,10 @@ public int hashCode() {
         hash = (37 * hash) + FORM_FIELDS_FIELD_NUMBER;
         hash = (53 * hash) + getFormFieldsList().hashCode();
       }
+      if (hasProvenance()) {
+        hash = (37 * hash) + PROVENANCE_FIELD_NUMBER;
+        hash = (53 * hash) + getProvenance().hashCode();
+      }
       hash = (29 * hash) + unknownFields.hashCode();
       memoizedHashCode = hash;
       return hash;
@@ -29392,6 +29826,12 @@ public Builder clear() {
         } else {
           formFieldsBuilder_.clear();
         }
+        if (provenanceBuilder_ == null) {
+          provenance_ = null;
+        } else {
+          provenance_ = null;
+          provenanceBuilder_ = null;
+        }
         return this;
       }
 
@@ -29517,6 +29957,11 @@ public com.google.cloud.documentai.v1beta3.Document.Page buildPartial() {
         } else {
           result.formFields_ = formFieldsBuilder_.build();
         }
+        if (provenanceBuilder_ == null) {
+          result.provenance_ = provenance_;
+        } else {
+          result.provenance_ = provenanceBuilder_.build();
+        }
         onBuilt();
         return result;
       }
@@ -29824,6 +30269,9 @@ public Builder mergeFrom(com.google.cloud.documentai.v1beta3.Document.Page other
             }
           }
         }
+        if (other.hasProvenance()) {
+          mergeProvenance(other.getProvenance());
+        }
         this.mergeUnknownFields(other.unknownFields);
         onChanged();
         return this;
@@ -34040,6 +34488,195 @@ public Builder removeFormFields(int index) {
         return formFieldsBuilder_;
       }
 
+      private com.google.cloud.documentai.v1beta3.Document.Provenance provenance_;
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.documentai.v1beta3.Document.Provenance,
+              com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+              com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>
+          provenanceBuilder_;
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       *
+       * @return Whether the provenance field is set.
+       */
+      public boolean hasProvenance() {
+        return provenanceBuilder_ != null || provenance_ != null;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       *
+       * @return The provenance.
+       */
+      public com.google.cloud.documentai.v1beta3.Document.Provenance getProvenance() {
+        if (provenanceBuilder_ == null) {
+          return provenance_ == null
+              ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+              : provenance_;
+        } else {
+          return provenanceBuilder_.getMessage();
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public Builder setProvenance(com.google.cloud.documentai.v1beta3.Document.Provenance value) {
+        if (provenanceBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          provenance_ = value;
+          onChanged();
+        } else {
+          provenanceBuilder_.setMessage(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public Builder setProvenance(
+          com.google.cloud.documentai.v1beta3.Document.Provenance.Builder builderForValue) {
+        if (provenanceBuilder_ == null) {
+          provenance_ = builderForValue.build();
+          onChanged();
+        } else {
+          provenanceBuilder_.setMessage(builderForValue.build());
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public Builder mergeProvenance(
+          com.google.cloud.documentai.v1beta3.Document.Provenance value) {
+        if (provenanceBuilder_ == null) {
+          if (provenance_ != null) {
+            provenance_ =
+                com.google.cloud.documentai.v1beta3.Document.Provenance.newBuilder(provenance_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            provenance_ = value;
+          }
+          onChanged();
+        } else {
+          provenanceBuilder_.mergeFrom(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public Builder clearProvenance() {
+        if (provenanceBuilder_ == null) {
+          provenance_ = null;
+          onChanged();
+        } else {
+          provenance_ = null;
+          provenanceBuilder_ = null;
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public com.google.cloud.documentai.v1beta3.Document.Provenance.Builder
+          getProvenanceBuilder() {
+
+        onChanged();
+        return getProvenanceFieldBuilder().getBuilder();
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      public com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder
+          getProvenanceOrBuilder() {
+        if (provenanceBuilder_ != null) {
+          return provenanceBuilder_.getMessageOrBuilder();
+        } else {
+          return provenance_ == null
+              ? com.google.cloud.documentai.v1beta3.Document.Provenance.getDefaultInstance()
+              : provenance_;
+        }
+      }
+      /**
+       *
+       *
+       * <pre>
+       * The history of this page.
+       * </pre>
+       *
+       * <code>.google.cloud.documentai.v1beta3.Document.Provenance provenance = 16;</code>
+       */
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.documentai.v1beta3.Document.Provenance,
+              com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+              com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>
+          getProvenanceFieldBuilder() {
+        if (provenanceBuilder_ == null) {
+          provenanceBuilder_ =
+              new com.google.protobuf.SingleFieldBuilderV3<
+                  com.google.cloud.documentai.v1beta3.Document.Provenance,
+                  com.google.cloud.documentai.v1beta3.Document.Provenance.Builder,
+                  com.google.cloud.documentai.v1beta3.Document.ProvenanceOrBuilder>(
+                  getProvenance(), getParentForChildren(), isClean());
+          provenance_ = null;
+        }
+        return provenanceBuilder_;
+      }
+
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -43290,6 +43927,8 @@ public interface PageRefOrBuilder
        * <pre>
        * Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
        * [Document.pages][page_refs.page] to locate the related page element.
+       * This field is skipped when its value is the default 0. See
+       * https://developers.google.com/protocol-buffers/docs/proto3#json.
        * </pre>
        *
        * <code>int64 page = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -43818,6 +44457,8 @@ private LayoutType(int value) {
        * <pre>
        * Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
        * [Document.pages][page_refs.page] to locate the related page element.
+       * This field is skipped when its value is the default 0. See
+       * https://developers.google.com/protocol-buffers/docs/proto3#json.
        * </pre>
        *
        * <code>int64 page = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -44418,6 +45059,8 @@ public Builder mergeFrom(
          * <pre>
          * Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
          * [Document.pages][page_refs.page] to locate the related page element.
+         * This field is skipped when its value is the default 0. See
+         * https://developers.google.com/protocol-buffers/docs/proto3#json.
          * </pre>
          *
          * <code>int64 page = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -44434,6 +45077,8 @@ public long getPage() {
          * <pre>
          * Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
          * [Document.pages][page_refs.page] to locate the related page element.
+         * This field is skipped when its value is the default 0. See
+         * https://developers.google.com/protocol-buffers/docs/proto3#json.
          * </pre>
          *
          * <code>int64 page = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -44453,6 +45098,8 @@ public Builder setPage(long value) {
          * <pre>
          * Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
          * [Document.pages][page_refs.page] to locate the related page element.
+         * This field is skipped when its value is the default 0. See
+         * https://developers.google.com/protocol-buffers/docs/proto3#json.
          * </pre>
          *
          * <code>int64 page = 1 [(.google.api.field_behavior) = REQUIRED];</code>
@@ -45913,10 +46560,11 @@ public interface ProvenanceOrBuilder
      * revision.
      * </pre>
      *
-     * <code>int32 id = 2;</code>
+     * <code>int32 id = 2 [deprecated = true];</code>
      *
      * @return The id.
      */
+    @java.lang.Deprecated
     int getId();
 
     /**
@@ -46395,6 +47043,20 @@ public interface ParentOrBuilder
        */
       int getRevision();
 
+      /**
+       *
+       *
+       * <pre>
+       * The index of the parent revisions corresponding collection of items
+       * (eg. list of entities, properties within entities, etc.)
+       * </pre>
+       *
+       * <code>int32 index = 3;</code>
+       *
+       * @return The index.
+       */
+      int getIndex();
+
       /**
        *
        *
@@ -46402,10 +47064,11 @@ public interface ParentOrBuilder
        * The id of the parent provenance.
        * </pre>
        *
-       * <code>int32 id = 2;</code>
+       * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @return The id.
        */
+      @java.lang.Deprecated
       int getId();
     }
     /**
@@ -46470,6 +47133,11 @@ private Parent(
                   id_ = input.readInt32();
                   break;
                 }
+              case 24:
+                {
+                  index_ = input.readInt32();
+                  break;
+                }
               default:
                 {
                   if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -46523,6 +47191,25 @@ public int getRevision() {
         return revision_;
       }
 
+      public static final int INDEX_FIELD_NUMBER = 3;
+      private int index_;
+      /**
+       *
+       *
+       * <pre>
+       * The index of the parent revisions corresponding collection of items
+       * (eg. list of entities, properties within entities, etc.)
+       * </pre>
+       *
+       * <code>int32 index = 3;</code>
+       *
+       * @return The index.
+       */
+      @java.lang.Override
+      public int getIndex() {
+        return index_;
+      }
+
       public static final int ID_FIELD_NUMBER = 2;
       private int id_;
       /**
@@ -46532,11 +47219,12 @@ public int getRevision() {
        * The id of the parent provenance.
        * </pre>
        *
-       * <code>int32 id = 2;</code>
+       * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @return The id.
        */
       @java.lang.Override
+      @java.lang.Deprecated
       public int getId() {
         return id_;
       }
@@ -46561,6 +47249,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         if (id_ != 0) {
           output.writeInt32(2, id_);
         }
+        if (index_ != 0) {
+          output.writeInt32(3, index_);
+        }
         unknownFields.writeTo(output);
       }
 
@@ -46576,6 +47267,9 @@ public int getSerializedSize() {
         if (id_ != 0) {
           size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, id_);
         }
+        if (index_ != 0) {
+          size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, index_);
+        }
         size += unknownFields.getSerializedSize();
         memoizedSize = size;
         return size;
@@ -46593,6 +47287,7 @@ public boolean equals(final java.lang.Object obj) {
             (com.google.cloud.documentai.v1beta3.Document.Provenance.Parent) obj;
 
         if (getRevision() != other.getRevision()) return false;
+        if (getIndex() != other.getIndex()) return false;
         if (getId() != other.getId()) return false;
         if (!unknownFields.equals(other.unknownFields)) return false;
         return true;
@@ -46607,6 +47302,8 @@ public int hashCode() {
         hash = (19 * hash) + getDescriptor().hashCode();
         hash = (37 * hash) + REVISION_FIELD_NUMBER;
         hash = (53 * hash) + getRevision();
+        hash = (37 * hash) + INDEX_FIELD_NUMBER;
+        hash = (53 * hash) + getIndex();
         hash = (37 * hash) + ID_FIELD_NUMBER;
         hash = (53 * hash) + getId();
         hash = (29 * hash) + unknownFields.hashCode();
@@ -46764,6 +47461,8 @@ public Builder clear() {
           super.clear();
           revision_ = 0;
 
+          index_ = 0;
+
           id_ = 0;
 
           return this;
@@ -46796,6 +47495,7 @@ public com.google.cloud.documentai.v1beta3.Document.Provenance.Parent buildParti
           com.google.cloud.documentai.v1beta3.Document.Provenance.Parent result =
               new com.google.cloud.documentai.v1beta3.Document.Provenance.Parent(this);
           result.revision_ = revision_;
+          result.index_ = index_;
           result.id_ = id_;
           onBuilt();
           return result;
@@ -46855,6 +47555,9 @@ public Builder mergeFrom(
           if (other.getRevision() != 0) {
             setRevision(other.getRevision());
           }
+          if (other.getIndex() != 0) {
+            setIndex(other.getIndex());
+          }
           if (other.getId() != 0) {
             setId(other.getId());
           }
@@ -46941,6 +47644,61 @@ public Builder clearRevision() {
           return this;
         }
 
+        private int index_;
+        /**
+         *
+         *
+         * <pre>
+         * The index of the parent revisions corresponding collection of items
+         * (eg. list of entities, properties within entities, etc.)
+         * </pre>
+         *
+         * <code>int32 index = 3;</code>
+         *
+         * @return The index.
+         */
+        @java.lang.Override
+        public int getIndex() {
+          return index_;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The index of the parent revisions corresponding collection of items
+         * (eg. list of entities, properties within entities, etc.)
+         * </pre>
+         *
+         * <code>int32 index = 3;</code>
+         *
+         * @param value The index to set.
+         * @return This builder for chaining.
+         */
+        public Builder setIndex(int value) {
+
+          index_ = value;
+          onChanged();
+          return this;
+        }
+        /**
+         *
+         *
+         * <pre>
+         * The index of the parent revisions corresponding collection of items
+         * (eg. list of entities, properties within entities, etc.)
+         * </pre>
+         *
+         * <code>int32 index = 3;</code>
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearIndex() {
+
+          index_ = 0;
+          onChanged();
+          return this;
+        }
+
         private int id_;
         /**
          *
@@ -46949,11 +47707,12 @@ public Builder clearRevision() {
          * The id of the parent provenance.
          * </pre>
          *
-         * <code>int32 id = 2;</code>
+         * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @return The id.
          */
         @java.lang.Override
+        @java.lang.Deprecated
         public int getId() {
           return id_;
         }
@@ -46964,11 +47723,12 @@ public int getId() {
          * The id of the parent provenance.
          * </pre>
          *
-         * <code>int32 id = 2;</code>
+         * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @param value The id to set.
          * @return This builder for chaining.
          */
+        @java.lang.Deprecated
         public Builder setId(int value) {
 
           id_ = value;
@@ -46982,10 +47742,11 @@ public Builder setId(int value) {
          * The id of the parent provenance.
          * </pre>
          *
-         * <code>int32 id = 2;</code>
+         * <code>int32 id = 2 [deprecated = true];</code>
          *
          * @return This builder for chaining.
          */
+        @java.lang.Deprecated
         public Builder clearId() {
 
           id_ = 0;
@@ -47076,11 +47837,12 @@ public int getRevision() {
      * revision.
      * </pre>
      *
-     * <code>int32 id = 2;</code>
+     * <code>int32 id = 2 [deprecated = true];</code>
      *
      * @return The id.
      */
     @java.lang.Override
+    @java.lang.Deprecated
     public int getId() {
       return id_;
     }
@@ -47678,11 +48440,12 @@ public Builder clearRevision() {
        * revision.
        * </pre>
        *
-       * <code>int32 id = 2;</code>
+       * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @return The id.
        */
       @java.lang.Override
+      @java.lang.Deprecated
       public int getId() {
         return id_;
       }
@@ -47694,11 +48457,12 @@ public int getId() {
        * revision.
        * </pre>
        *
-       * <code>int32 id = 2;</code>
+       * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @param value The id to set.
        * @return This builder for chaining.
        */
+      @java.lang.Deprecated
       public Builder setId(int value) {
 
         id_ = value;
@@ -47713,10 +48477,11 @@ public Builder setId(int value) {
        * revision.
        * </pre>
        *
-       * <code>int32 id = 2;</code>
+       * <code>int32 id = 2 [deprecated = true];</code>
        *
        * @return This builder for chaining.
        */
+      @java.lang.Deprecated
       public Builder clearId() {
 
         id_ = 0;
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessor.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessor.java
new file mode 100644
index 00000000..8991e55f
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessor.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public final class DocumentAiProcessor {
+  private DocumentAiProcessor() {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_Processor_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_Processor_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n/google/cloud/documentai/v1beta3/proces"
+          + "sor.proto\022\037google.cloud.documentai.v1bet"
+          + "a3\032\037google/api/field_behavior.proto\032\031goo"
+          + "gle/api/resource.proto\0321google/cloud/doc"
+          + "umentai/v1beta3/document_io.proto\032\037googl"
+          + "e/protobuf/timestamp.proto\032\034google/api/a"
+          + "nnotations.proto\"\201\004\n\tProcessor\022\024\n\004name\030\001"
+          + " \001(\tB\006\340A\005\340A\003\022\014\n\004type\030\002 \001(\t\022\024\n\014display_na"
+          + "me\030\003 \001(\t\022D\n\005state\030\004 \001(\01620.google.cloud.d"
+          + "ocumentai.v1beta3.Processor.StateB\003\340A\003\022!"
+          + "\n\031default_processor_version\030\t \001(\t\022 \n\020pro"
+          + "cess_endpoint\030\006 \001(\tB\006\340A\003\340A\005\022/\n\013create_ti"
+          + "me\030\007 \001(\0132\032.google.protobuf.Timestamp\022\024\n\014"
+          + "kms_key_name\030\010 \001(\t\"~\n\005State\022\025\n\021STATE_UNS"
+          + "PECIFIED\020\000\022\013\n\007ENABLED\020\001\022\014\n\010DISABLED\020\002\022\014\n"
+          + "\010ENABLING\020\003\022\r\n\tDISABLING\020\004\022\014\n\010CREATING\020\005"
+          + "\022\n\n\006FAILED\020\006\022\014\n\010DELETING\020\007:h\352Ae\n#documen"
+          + "tai.googleapis.com/Processor\022>projects/{"
+          + "project}/locations/{location}/processors"
+          + "/{processor}B\360\001\n#com.google.cloud.docume"
+          + "ntai.v1beta3B\023DocumentAiProcessorP\001ZIgoo"
+          + "gle.golang.org/genproto/googleapis/cloud"
+          + "/documentai/v1beta3;documentai\252\002\037Google."
+          + "Cloud.DocumentAI.V1Beta3\312\002\037Google\\Cloud\\"
+          + "DocumentAI\\V1beta3\352\002\"Google::Cloud::Docu"
+          + "mentAI::V1beta3b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.api.FieldBehaviorProto.getDescriptor(),
+              com.google.api.ResourceProto.getDescriptor(),
+              com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor(),
+              com.google.protobuf.TimestampProto.getDescriptor(),
+              com.google.api.AnnotationsProto.getDescriptor(),
+            });
+    internal_static_google_cloud_documentai_v1beta3_Processor_descriptor =
+        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_documentai_v1beta3_Processor_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_Processor_descriptor,
+            new java.lang.String[] {
+              "Name",
+              "Type",
+              "DisplayName",
+              "State",
+              "DefaultProcessorVersion",
+              "ProcessEndpoint",
+              "CreateTime",
+              "KmsKeyName",
+            });
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.ResourceProto.resource);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.api.AnnotationsProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
index 1d6d8843..601340aa 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorService.java
@@ -63,6 +63,58 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_documentai_v1beta3_BatchProcessMetadata_IndividualProcessStatus_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_documentai_v1beta3_BatchProcessMetadata_IndividualProcessStatus_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_documentai_v1beta3_ReviewDocumentRequest_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -93,116 +145,184 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
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           + "umentai/v1beta3/document_io.proto\0328googl"
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-          + "gle/rpc/status.proto\"\275\002\n\016ProcessRequest\022"
-          + "D\n\017inline_document\030\004 \001(\0132).google.cloud."
-          + "documentai.v1beta3.DocumentH\000\022D\n\014raw_doc"
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-          + "beta3.RawDocumentH\000\0229\n\004name\030\001 \001(\tB+\340A\002\372A"
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-          + "\n\010document\030\002 \001(\0132).google.cloud.document"
-          + "ai.v1beta3.DocumentB\002\030\001\022\031\n\021skip_human_re"
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-          + "tai.v1beta3.HumanReviewStatus.State\022\025\n\rs"
-          + "tate_message\030\002 \001(\t\022\036\n\026human_review_opera"
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+          + "v1beta3/{name=projects/*/locations/*/pro"
+          + "cessors/*}:process:\001*\332A\004name\022\360\001\n\025BatchPr"
+          + "ocessDocuments\0224.google.cloud.documentai"
+          + ".v1beta3.BatchProcessRequest\032\035.google.lo"
+          + "ngrunning.Operation\"\201\001\202\323\344\223\002E\"@/v1beta3/{"
+          + "name=projects/*/locations/*/processors/*"
+          + "}:batchProcess:\001*\332A\004name\312A,\n\024BatchProces"
+          + "sResponse\022\024BatchProcessMetadata\022\337\001\n\023Fetc"
+          + "hProcessorTypes\022;.google.cloud.documenta"
+          + "i.v1beta3.FetchProcessorTypesRequest\032<.g"
+          + "oogle.cloud.documentai.v1beta3.FetchProc"
+          + "essorTypesResponse\"M\202\323\344\223\002>\022</v1beta3/{pa"
+          + "rent=projects/*/locations/*}:fetchProces"
+          + "sorTypes\332A\006parent\022\307\001\n\016ListProcessors\0226.g"
+          + "oogle.cloud.documentai.v1beta3.ListProce"
+          + "ssorsRequest\0327.google.cloud.documentai.v"
+          + "1beta3.ListProcessorsResponse\"D\202\323\344\223\0025\0223/"
+          + "v1beta3/{parent=projects/*/locations/*}/"
+          + "processors\332A\006parent\022\321\001\n\017CreateProcessor\022"
+          + "7.google.cloud.documentai.v1beta3.Create"
+          + "ProcessorRequest\032*.google.cloud.document"
+          + "ai.v1beta3.Processor\"Y\202\323\344\223\002@\"3/v1beta3/{"
+          + "parent=projects/*/locations/*}/processor"
+          + "s:\tprocessor\332A\020parent,processor\022\340\001\n\017Dele"
+          + "teProcessor\0227.google.cloud.documentai.v1"
+          + "beta3.DeleteProcessorRequest\032\035.google.lo"
+          + "ngrunning.Operation\"u\202\323\344\223\0025*3/v1beta3/{n"
+          + "ame=projects/*/locations/*/processors/*}"
+          + "\332A\004name\312A0\n\025google.protobuf.Empty\022\027Delet"
+          + "eProcessorMetadata\022\345\001\n\017EnableProcessor\0227"
+          + ".google.cloud.documentai.v1beta3.EnableP"
+          + "rocessorRequest\032\035.google.longrunning.Ope"
+          + "ration\"z\202\323\344\223\002?\":/v1beta3/{name=projects/"
+          + "*/locations/*/processors/*}:enable:\001*\312A2"
+          + "\n\027EnableProcessorResponse\022\027EnableProcess"
+          + "orMetadata\022\352\001\n\020DisableProcessor\0228.google"
+          + ".cloud.documentai.v1beta3.DisableProcess"
+          + "orRequest\032\035.google.longrunning.Operation"
+          + "\"}\202\323\344\223\002@\";/v1beta3/{name=projects/*/loca"
+          + "tions/*/processors/*}:disable:\001*\312A4\n\030Dis"
+          + "ableProcessorResponse\022\030DisableProcessorM"
+          + "etadata\022\252\002\n\016ReviewDocument\0226.google.clou"
+          + "d.documentai.v1beta3.ReviewDocumentReque"
+          + "st\032\035.google.longrunning.Operation\"\300\001\202\323\344\223"
+          + "\002h\"c/v1beta3/{human_review_config=projec"
+          + "ts/*/locations/*/processors/*/humanRevie"
+          + "wConfig}:reviewDocument:\001*\332A\023human_revie"
+          + "w_config\312A9\n\026ReviewDocumentResponse\022\037Rev"
+          + "iewDocumentOperationMetadata\032M\312A\031documen"
+          + "tai.googleapis.com\322A.https://www.googlea"
+          + "pis.com/auth/cloud-platformB\311\003\n#com.goog"
+          + "le.cloud.documentai.v1beta3B\032DocumentAiP"
+          + "rocessorServiceP\001ZIgoogle.golang.org/gen"
+          + "proto/googleapis/cloud/documentai/v1beta"
+          + "3;documentai\252\002\037Google.Cloud.DocumentAI.V"
+          + "1Beta3\312\002\037Google\\Cloud\\DocumentAI\\V1beta3"
+          + "\352\002\"Google::Cloud::DocumentAI::V1beta3\352AM"
+          + "\n\"documentai.googleapis.com/Location\022\'pr"
+          + "ojects/{project}/locations/{location}\352A\177"
+          + "\n+documentai.googleapis.com/HumanReviewC"
+          + "onfig\022Pprojects/{project}/locations/{loc"
+          + "ation}/processors/{processor}/humanRevie"
+          + "wConfigb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -215,6 +335,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.cloud.documentai.v1beta3.DocumentProto.getDescriptor(),
               com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor(),
               com.google.cloud.documentai.v1beta3.OperationMetadataProto.getDescriptor(),
+              com.google.cloud.documentai.v1beta3.DocumentAiProcessor.getDescriptor(),
+              com.google.cloud.documentai.v1beta3.DocumentAiProcessorType.getDescriptor(),
               com.google.longrunning.OperationsProto.getDescriptor(),
               com.google.protobuf.FieldMaskProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
@@ -305,16 +427,121 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "HumanReviewOperation",
               "HumanReviewStatus",
             });
-    internal_static_google_cloud_documentai_v1beta3_ReviewDocumentRequest_descriptor =
+    internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesRequest_descriptor =
         getDescriptor().getMessageTypes().get(6);
+    internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesRequest_descriptor,
+            new java.lang.String[] {
+              "Parent",
+            });
+    internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesResponse_descriptor =
+        getDescriptor().getMessageTypes().get(7);
+    internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_FetchProcessorTypesResponse_descriptor,
+            new java.lang.String[] {
+              "ProcessorTypes",
+            });
+    internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_descriptor =
+        getDescriptor().getMessageTypes().get(8);
+    internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "PageSize", "PageToken",
+            });
+    internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor =
+        getDescriptor().getMessageTypes().get(9);
+    internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor,
+            new java.lang.String[] {
+              "Processors", "NextPageToken",
+            });
+    internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor =
+        getDescriptor().getMessageTypes().get(10);
+    internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_CreateProcessorRequest_descriptor,
+            new java.lang.String[] {
+              "Parent", "Processor",
+            });
+    internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor =
+        getDescriptor().getMessageTypes().get(11);
+    internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_DeleteProcessorRequest_descriptor,
+            new java.lang.String[] {
+              "Name",
+            });
+    internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor =
+        getDescriptor().getMessageTypes().get(12);
+    internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_DeleteProcessorMetadata_descriptor,
+            new java.lang.String[] {
+              "CommonMetadata",
+            });
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_descriptor =
+        getDescriptor().getMessageTypes().get(13);
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_descriptor,
+            new java.lang.String[] {
+              "Name",
+            });
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor =
+        getDescriptor().getMessageTypes().get(14);
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_descriptor =
+        getDescriptor().getMessageTypes().get(15);
+    internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_descriptor,
+            new java.lang.String[] {
+              "CommonMetadata",
+            });
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor =
+        getDescriptor().getMessageTypes().get(16);
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_DisableProcessorRequest_descriptor,
+            new java.lang.String[] {
+              "Name",
+            });
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor =
+        getDescriptor().getMessageTypes().get(17);
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_DisableProcessorResponse_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor =
+        getDescriptor().getMessageTypes().get(18);
+    internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_DisableProcessorMetadata_descriptor,
+            new java.lang.String[] {
+              "CommonMetadata",
+            });
+    internal_static_google_cloud_documentai_v1beta3_ReviewDocumentRequest_descriptor =
+        getDescriptor().getMessageTypes().get(19);
     internal_static_google_cloud_documentai_v1beta3_ReviewDocumentRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1beta3_ReviewDocumentRequest_descriptor,
             new java.lang.String[] {
-              "InlineDocument", "HumanReviewConfig", "Document", "Source",
+              "InlineDocument",
+              "HumanReviewConfig",
+              "Document",
+              "EnableSchemaValidation",
+              "Priority",
+              "Source",
             });
     internal_static_google_cloud_documentai_v1beta3_ReviewDocumentResponse_descriptor =
-        getDescriptor().getMessageTypes().get(7);
+        getDescriptor().getMessageTypes().get(20);
     internal_static_google_cloud_documentai_v1beta3_ReviewDocumentResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1beta3_ReviewDocumentResponse_descriptor,
@@ -322,7 +549,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "GcsDestination",
             });
     internal_static_google_cloud_documentai_v1beta3_ReviewDocumentOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(8);
+        getDescriptor().getMessageTypes().get(21);
     internal_static_google_cloud_documentai_v1beta3_ReviewDocumentOperationMetadata_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1beta3_ReviewDocumentOperationMetadata_descriptor,
@@ -348,6 +575,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.cloud.documentai.v1beta3.DocumentProto.getDescriptor();
     com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor();
     com.google.cloud.documentai.v1beta3.OperationMetadataProto.getDescriptor();
+    com.google.cloud.documentai.v1beta3.DocumentAiProcessor.getDescriptor();
+    com.google.cloud.documentai.v1beta3.DocumentAiProcessorType.getDescriptor();
     com.google.longrunning.OperationsProto.getDescriptor();
     com.google.protobuf.FieldMaskProto.getDescriptor();
     com.google.protobuf.TimestampProto.getDescriptor();
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorType.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorType.java
new file mode 100644
index 00000000..f1d45e5d
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentAiProcessorType.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor_type.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public final class DocumentAiProcessorType {
+  private DocumentAiProcessorType() {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
+
+  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_ProcessorType_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_ProcessorType_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_documentai_v1beta3_ProcessorType_LocationInfo_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_ProcessorType_LocationInfo_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n4google/cloud/documentai/v1beta3/proces"
+          + "sor_type.proto\022\037google.cloud.documentai."
+          + "v1beta3\032\031google/api/resource.proto\032\034goog"
+          + "le/api/annotations.proto\"\313\002\n\rProcessorTy"
+          + "pe\022\014\n\004name\030\001 \001(\t\022\014\n\004type\030\002 \001(\t\022\020\n\010catego"
+          + "ry\030\003 \001(\t\022X\n\023available_locations\030\004 \003(\0132;."
+          + "google.cloud.documentai.v1beta3.Processo"
+          + "rType.LocationInfo\022\026\n\016allow_creation\030\006 \001"
+          + "(\010\032#\n\014LocationInfo\022\023\n\013location_id\030\001 \001(\t:"
+          + "u\352Ar\n\'documentai.googleapis.com/Processo"
+          + "rType\022Gprojects/{project}/locations/{loc"
+          + "ation}/processorTypes/{processor_type}B\364"
+          + "\001\n#com.google.cloud.documentai.v1beta3B\027"
+          + "DocumentAiProcessorTypeP\001ZIgoogle.golang"
+          + ".org/genproto/googleapis/cloud/documenta"
+          + "i/v1beta3;documentai\252\002\037Google.Cloud.Docu"
+          + "mentAI.V1Beta3\312\002\037Google\\Cloud\\DocumentAI"
+          + "\\V1beta3\352\002\"Google::Cloud::DocumentAI::V1"
+          + "beta3b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.api.ResourceProto.getDescriptor(),
+              com.google.api.AnnotationsProto.getDescriptor(),
+            });
+    internal_static_google_cloud_documentai_v1beta3_ProcessorType_descriptor =
+        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_documentai_v1beta3_ProcessorType_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_ProcessorType_descriptor,
+            new java.lang.String[] {
+              "Name", "Type", "Category", "AvailableLocations", "AllowCreation",
+            });
+    internal_static_google_cloud_documentai_v1beta3_ProcessorType_LocationInfo_descriptor =
+        internal_static_google_cloud_documentai_v1beta3_ProcessorType_descriptor
+            .getNestedTypes()
+            .get(0);
+    internal_static_google_cloud_documentai_v1beta3_ProcessorType_LocationInfo_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_ProcessorType_LocationInfo_descriptor,
+            new java.lang.String[] {
+              "LocationId",
+            });
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.ResourceProto.resource);
+    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
+        descriptor, registry);
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.api.AnnotationsProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProto.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProto.java
index 89b788e7..91319b0c 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProto.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProto.java
@@ -173,7 +173,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "proto\032\026google/type/date.proto\032\032google/ty"
           + "pe/datetime.proto\032\027google/type/money.pro"
           + "to\032 google/type/postal_address.proto\032\034go"
-          + "ogle/api/annotations.proto\"\353:\n\010Document\022"
+          + "ogle/api/annotations.proto\"\226<\n\010Document\022"
           + "\022\n\003uri\030\001 \001(\tB\003\340A\001H\000\022\026\n\007content\030\002 \001(\014B\003\340A"
           + "\001H\000\022\021\n\tmime_type\030\003 \001(\t\022\021\n\004text\030\004 \001(\tB\003\340A"
           + "\001\022D\n\013text_styles\030\005 \003(\0132/.google.cloud.do"
@@ -200,7 +200,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "ion\030\006 \001(\t\022K\n\tfont_size\030\007 \001(\01328.google.cl"
           + "oud.documentai.v1beta3.Document.Style.Fo"
           + "ntSize\032&\n\010FontSize\022\014\n\004size\030\001 \001(\002\022\014\n\004unit"
-          + "\030\002 \001(\t\032\320\037\n\004Page\022\023\n\013page_number\030\001 \001(\005\022C\n\005"
+          + "\030\002 \001(\t\032\344 \n\004Page\022\023\n\013page_number\030\001 \001(\005\022C\n\005"
           + "image\030\r \001(\01324.google.cloud.documentai.v1"
           + "beta3.Document.Page.Image\022I\n\ntransforms\030"
           + "\016 \003(\01325.google.cloud.documentai.v1beta3."
@@ -223,152 +223,156 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "bles\030\n \003(\01324.google.cloud.documentai.v1b"
           + "eta3.Document.Page.Table\022M\n\013form_fields\030"
           + "\013 \003(\01328.google.cloud.documentai.v1beta3."
-          + "Document.Page.FormField\0328\n\tDimension\022\r\n\005"
-          + "width\030\001 \001(\002\022\016\n\006height\030\002 \001(\002\022\014\n\004unit\030\003 \001("
-          + "\t\032J\n\005Image\022\017\n\007content\030\001 \001(\014\022\021\n\tmime_type"
-          + "\030\002 \001(\t\022\r\n\005width\030\003 \001(\005\022\016\n\006height\030\004 \001(\005\032@\n"
-          + "\006Matrix\022\014\n\004rows\030\001 \001(\005\022\014\n\004cols\030\002 \001(\005\022\014\n\004t"
-          + "ype\030\003 \001(\005\022\014\n\004data\030\004 \001(\014\032\354\002\n\006Layout\022I\n\013te"
-          + "xt_anchor\030\001 \001(\01324.google.cloud.documenta"
-          + "i.v1beta3.Document.TextAnchor\022\022\n\nconfide"
-          + "nce\030\002 \001(\002\022D\n\rbounding_poly\030\003 \001(\0132-.googl"
-          + "e.cloud.documentai.v1beta3.BoundingPoly\022"
-          + "V\n\013orientation\030\004 \001(\0162A.google.cloud.docu"
-          + "mentai.v1beta3.Document.Page.Layout.Orie"
-          + "ntation\"e\n\013Orientation\022\033\n\027ORIENTATION_UN"
-          + "SPECIFIED\020\000\022\013\n\007PAGE_UP\020\001\022\016\n\nPAGE_RIGHT\020\002"
-          + "\022\r\n\tPAGE_DOWN\020\003\022\r\n\tPAGE_LEFT\020\004\032\365\001\n\005Block"
-          + "\022E\n\006layout\030\001 \001(\01325.google.cloud.document"
-          + "ai.v1beta3.Document.Page.Layout\022[\n\022detec"
-          + "ted_languages\030\002 \003(\0132?.google.cloud.docum"
-          + "entai.v1beta3.Document.Page.DetectedLang"
-          + "uage\022H\n\nprovenance\030\003 \001(\01324.google.cloud."
-          + "documentai.v1beta3.Document.Provenance\032\371"
-          + "\001\n\tParagraph\022E\n\006layout\030\001 \001(\01325.google.cl"
-          + "oud.documentai.v1beta3.Document.Page.Lay"
-          + "out\022[\n\022detected_languages\030\002 \003(\0132?.google"
-          + ".cloud.documentai.v1beta3.Document.Page."
-          + "DetectedLanguage\022H\n\nprovenance\030\003 \001(\01324.g"
-          + "oogle.cloud.documentai.v1beta3.Document."
-          + "Provenance\032\364\001\n\004Line\022E\n\006layout\030\001 \001(\01325.go"
-          + "ogle.cloud.documentai.v1beta3.Document.P"
-          + "age.Layout\022[\n\022detected_languages\030\002 \003(\0132?"
-          + ".google.cloud.documentai.v1beta3.Documen"
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@@ -456,6 +460,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "VisualElements",
               "Tables",
               "FormFields",
+              "Provenance",
             });
     internal_static_google_cloud_documentai_v1beta3_Document_Page_Dimension_descriptor =
         internal_static_google_cloud_documentai_v1beta3_Document_Page_descriptor
@@ -600,6 +605,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "NameDetectedLanguages",
               "ValueDetectedLanguages",
               "ValueType",
+              "Provenance",
             });
     internal_static_google_cloud_documentai_v1beta3_Document_Page_DetectedLanguage_descriptor =
         internal_static_google_cloud_documentai_v1beta3_Document_Page_descriptor
@@ -705,7 +711,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_documentai_v1beta3_Document_Provenance_Parent_descriptor,
             new java.lang.String[] {
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             });
     internal_static_google_cloud_documentai_v1beta3_Document_Revision_descriptor =
         internal_static_google_cloud_documentai_v1beta3_Document_descriptor.getNestedTypes().get(8);
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadata.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadata.java
new file mode 100644
index 00000000..4667d030
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadata.java
@@ -0,0 +1,742 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * The long running operation metadata for enable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorMetadata}
+ */
+public final class EnableProcessorMetadata extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.EnableProcessorMetadata)
+    EnableProcessorMetadataOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use EnableProcessorMetadata.newBuilder() to construct.
+  private EnableProcessorMetadata(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EnableProcessorMetadata() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new EnableProcessorMetadata();
+  }
+
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+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
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+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+            break;
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+              if (commonMetadata_ != null) {
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+              commonMetadata_ =
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+              if (subBuilder != null) {
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+              }
+
+              break;
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+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
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+              }
+              break;
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+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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+      makeExtensionsImmutable();
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+
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+
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+  /**
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+   * <pre>
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+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  @java.lang.Override
+  public boolean hasCommonMetadata() {
+    return commonMetadata_ != null;
+  }
+  /**
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+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata() {
+    return commonMetadata_ == null
+        ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+        : commonMetadata_;
+  }
+  /**
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+   *
+   * <pre>
+   * The basic metadata of the long running operation.
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+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
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+  public com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder
+      getCommonMetadataOrBuilder() {
+    return getCommonMetadata();
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+
+  private byte memoizedIsInitialized = -1;
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+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
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+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
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+    int size = memoizedSize;
+    if (size != -1) return size;
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+    memoizedSize = size;
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+
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+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (hasCommonMetadata()) {
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+    memoizedHashCode = hash;
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+    return PARSER.parseFrom(data, extensionRegistry);
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+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
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+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
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+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
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+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.EnableProcessorMetadata prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
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+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The long running operation metadata for enable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorMetadata}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.EnableProcessorMetadata)
+      com.google.cloud.documentai.v1beta3.EnableProcessorMetadataOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_EnableProcessorMetadata_descriptor;
+    }
+
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+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+          .ensureFieldAccessorsInitialized(
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+              com.google.cloud.documentai.v1beta3.EnableProcessorMetadata.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.EnableProcessorMetadata.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
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+      maybeForceBuilderInitialization();
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+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+    }
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+    @java.lang.Override
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+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    @java.lang.Override
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+      if (other instanceof com.google.cloud.documentai.v1beta3.EnableProcessorMetadata) {
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+        return this;
+      }
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+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.EnableProcessorMetadata other) {
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+      if (other.hasCommonMetadata()) {
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
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+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.EnableProcessorMetadata parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.EnableProcessorMetadata) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
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+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
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+
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+    private com.google.protobuf.SingleFieldBuilderV3<
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+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
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+    /**
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+     *
+     * <pre>
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+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
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+     */
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+    /**
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+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     *
+     * @return The commonMetadata.
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+      } else {
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+      }
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+    /**
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+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder setCommonMetadata(
+        com.google.cloud.documentai.v1beta3.CommonOperationMetadata value) {
+      if (commonMetadataBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        commonMetadata_ = value;
+        onChanged();
+      } else {
+        commonMetadataBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
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+      return this;
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+    /**
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+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public Builder clearCommonMetadata() {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadata_ = null;
+        onChanged();
+      } else {
+        commonMetadata_ = null;
+        commonMetadataBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder
+        getCommonMetadataBuilder() {
+
+      onChanged();
+      return getCommonMetadataFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder
+        getCommonMetadataOrBuilder() {
+      if (commonMetadataBuilder_ != null) {
+        return commonMetadataBuilder_.getMessageOrBuilder();
+      } else {
+        return commonMetadata_ == null
+            ? com.google.cloud.documentai.v1beta3.CommonOperationMetadata.getDefaultInstance()
+            : commonMetadata_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The basic metadata of the long running operation.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+            com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>
+        getCommonMetadataFieldBuilder() {
+      if (commonMetadataBuilder_ == null) {
+        commonMetadataBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadata,
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadata.Builder,
+                com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder>(
+                getCommonMetadata(), getParentForChildren(), isClean());
+        commonMetadata_ = null;
+      }
+      return commonMetadataBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.EnableProcessorMetadata)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.EnableProcessorMetadata)
+  private static final com.google.cloud.documentai.v1beta3.EnableProcessorMetadata DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.EnableProcessorMetadata();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorMetadata getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EnableProcessorMetadata> PARSER =
+      new com.google.protobuf.AbstractParser<EnableProcessorMetadata>() {
+        @java.lang.Override
+        public EnableProcessorMetadata parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new EnableProcessorMetadata(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<EnableProcessorMetadata> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EnableProcessorMetadata> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.EnableProcessorMetadata getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadataOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadataOrBuilder.java
new file mode 100644
index 00000000..65859552
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorMetadataOrBuilder.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface EnableProcessorMetadataOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.EnableProcessorMetadata)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return Whether the commonMetadata field is set.
+   */
+  boolean hasCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   *
+   * @return The commonMetadata.
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadata getCommonMetadata();
+  /**
+   *
+   *
+   * <pre>
+   * The basic metadata of the long running operation.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.CommonOperationMetadata common_metadata = 5;</code>
+   */
+  com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder getCommonMetadataOrBuilder();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequest.java
new file mode 100644
index 00000000..cdb42d30
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequest.java
@@ -0,0 +1,651 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for the enable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorRequest}
+ */
+public final class EnableProcessorRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.EnableProcessorRequest)
+    EnableProcessorRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use EnableProcessorRequest.newBuilder() to construct.
+  private EnableProcessorRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EnableProcessorRequest() {
+    name_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new EnableProcessorRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private EnableProcessorRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+            break;
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+
+              name_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
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+              }
+              break;
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+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+        .ensureFieldAccessorsInitialized(
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+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
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+   *
+   * <pre>
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+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
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+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
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+  /**
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+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>
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+  private byte memoizedIsInitialized = -1;
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+  @java.lang.Override
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+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
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+    memoizedIsInitialized = 1;
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+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
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+    unknownFields.writeTo(output);
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+  @java.lang.Override
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+    memoizedSize = size;
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+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
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+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.EnableProcessorRequest)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.EnableProcessorRequest other =
+        (com.google.cloud.documentai.v1beta3.EnableProcessorRequest) obj;
+
+    if (!getName().equals(other.getName())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
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+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
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+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    hash = (37 * hash) + NAME_FIELD_NUMBER;
+    hash = (53 * hash) + getName().hashCode();
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+    memoizedHashCode = hash;
+    return hash;
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+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(byte[] data)
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+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
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+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.EnableProcessorRequest prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Request message for the enable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.EnableProcessorRequest)
+      com.google.cloud.documentai.v1beta3.EnableProcessorRequestOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_EnableProcessorRequest_descriptor;
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+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+          .ensureFieldAccessorsInitialized(
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+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.EnableProcessorRequest.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
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+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
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+    @java.lang.Override
+    public Builder clear() {
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+      name_ = "";
+
+      return this;
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+
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+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+    }
+
+    @java.lang.Override
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+      onBuilt();
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+
+    @java.lang.Override
+    public Builder setField(
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+    }
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+        onChanged();
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+      try {
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+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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+        }
+      }
+      return this;
+    }
+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be enabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be enabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be enabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be enabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The processor resource name to be enabled.
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.EnableProcessorRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.EnableProcessorRequest)
+  private static final com.google.cloud.documentai.v1beta3.EnableProcessorRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.EnableProcessorRequest();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EnableProcessorRequest> PARSER =
+      new com.google.protobuf.AbstractParser<EnableProcessorRequest>() {
+        @java.lang.Override
+        public EnableProcessorRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new EnableProcessorRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<EnableProcessorRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EnableProcessorRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.EnableProcessorRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequestOrBuilder.java
new file mode 100644
index 00000000..4db20765
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorRequestOrBuilder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface EnableProcessorRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.EnableProcessorRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be enabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The processor resource name to be enabled.
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponse.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponse.java
new file mode 100644
index 00000000..14c87c9d
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponse.java
@@ -0,0 +1,457 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for the enable processor method.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorResponse}
+ */
+public final class EnableProcessorResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.EnableProcessorResponse)
+    EnableProcessorResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use EnableProcessorResponse.newBuilder() to construct.
+  private EnableProcessorResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private EnableProcessorResponse() {}
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new EnableProcessorResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private EnableProcessorResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+    try {
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+              }
+              break;
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+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+        .ensureFieldAccessorsInitialized(
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+
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+    memoizedSize = size;
+    return size;
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+    }
+    com.google.cloud.documentai.v1beta3.EnableProcessorResponse other =
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+
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+    return true;
+  }
+
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+  public int hashCode() {
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+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
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+    memoizedHashCode = hash;
+    return hash;
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+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
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+    return PARSER.parseFrom(data, extensionRegistry);
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
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+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
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+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
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+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse parseFrom(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
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+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
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+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
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+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
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+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
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+  /**
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+   *
+   * <pre>
+   * Response message for the enable processor method.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.EnableProcessorResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.EnableProcessorResponse)
+      com.google.cloud.documentai.v1beta3.EnableProcessorResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor;
+    }
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+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+
+    // Construct using com.google.cloud.documentai.v1beta3.EnableProcessorResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
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+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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+    private void maybeForceBuilderInitialization() {
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+    public Builder clear() {
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+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+          .internal_static_google_cloud_documentai_v1beta3_EnableProcessorResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.EnableProcessorResponse getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.EnableProcessorResponse.getDefaultInstance();
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+    public com.google.cloud.documentai.v1beta3.EnableProcessorResponse build() {
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+      if (!result.isInitialized()) {
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+    }
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+    public Builder setField(
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+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
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+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    @java.lang.Override
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+      if (other instanceof com.google.cloud.documentai.v1beta3.EnableProcessorResponse) {
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+        super.mergeFrom(other);
+        return this;
+      }
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+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.EnableProcessorResponse other) {
+      if (other == com.google.cloud.documentai.v1beta3.EnableProcessorResponse.getDefaultInstance())
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
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+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.EnableProcessorResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.EnableProcessorResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
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+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
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+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.EnableProcessorResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.EnableProcessorResponse)
+  private static final com.google.cloud.documentai.v1beta3.EnableProcessorResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.EnableProcessorResponse();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.EnableProcessorResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<EnableProcessorResponse> PARSER =
+      new com.google.protobuf.AbstractParser<EnableProcessorResponse>() {
+        @java.lang.Override
+        public EnableProcessorResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new EnableProcessorResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<EnableProcessorResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<EnableProcessorResponse> getParserForType() {
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+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.EnableProcessorResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponseOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponseOrBuilder.java
new file mode 100644
index 00000000..04127ba6
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/EnableProcessorResponseOrBuilder.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface EnableProcessorResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.EnableProcessorResponse)
+    com.google.protobuf.MessageOrBuilder {}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequest.java
new file mode 100644
index 00000000..b7d2ab77
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequest.java
@@ -0,0 +1,664 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for fetch processor types.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.FetchProcessorTypesRequest}
+ */
+public final class FetchProcessorTypesRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.FetchProcessorTypesRequest)
+    FetchProcessorTypesRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use FetchProcessorTypesRequest.newBuilder() to construct.
+  private FetchProcessorTypesRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FetchProcessorTypesRequest() {
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+  @SuppressWarnings({"unused"})
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+      throws com.google.protobuf.InvalidProtocolBufferException {
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+
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+
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+   *
+   * <code>
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+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
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+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
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+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest)) {
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+   *
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+   */
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+    /**
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+     * <pre>
+     * Required. The project of processor type to list.
+     * Format: projects/{project}/locations/{location}
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+     *
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+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
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+     *
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+     * <pre>
+     * Required. The project of processor type to list.
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+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
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+     * @return The bytes for parent.
+     */
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+     *
+     * <pre>
+     * Required. The project of processor type to list.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
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+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
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+     *
+     * @return This builder for chaining.
+     */
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+
+      parent_ = getDefaultInstance().getParent();
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+      new com.google.protobuf.AbstractParser<FetchProcessorTypesRequest>() {
+        @java.lang.Override
+        public FetchProcessorTypesRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new FetchProcessorTypesRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<FetchProcessorTypesRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FetchProcessorTypesRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.FetchProcessorTypesRequest
+      getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequestOrBuilder.java
new file mode 100644
index 00000000..28c3e471
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesRequestOrBuilder.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface FetchProcessorTypesRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.FetchProcessorTypesRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project of processor type to list.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The project of processor type to list.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponse.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponse.java
new file mode 100644
index 00000000..dcf5d97e
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponse.java
@@ -0,0 +1,973 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for fetch processor types.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.FetchProcessorTypesResponse}
+ */
+public final class FetchProcessorTypesResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.FetchProcessorTypesResponse)
+    FetchProcessorTypesResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use FetchProcessorTypesResponse.newBuilder() to construct.
+  private FetchProcessorTypesResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private FetchProcessorTypesResponse() {
+    processorTypes_ = java.util.Collections.emptyList();
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new FetchProcessorTypesResponse();
+  }
+
+  @java.lang.Override
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+  }
+
+  private FetchProcessorTypesResponse(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
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+    }
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+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
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+            break;
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+                mutable_bitField0_ |= 0x00000001;
+              }
+              processorTypes_.add(
+                  input.readMessage(
+                      com.google.cloud.documentai.v1beta3.ProcessorType.parser(),
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+              break;
+            }
+          default:
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+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
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+              }
+              break;
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+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
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+      }
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+  }
+
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+
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+  /**
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+   *
+   * <pre>
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+   * </pre>
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+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
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+  public java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>
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+    return processorTypes_;
+  }
+  /**
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+   *
+   * <pre>
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+   * </pre>
+   *
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+  public int getSerializedSize() {
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+    if (size != -1) return size;
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+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
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+    }
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+    }
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+
+    if (!getProcessorTypesList().equals(other.getProcessorTypesList())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
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+  }
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+    return PARSER.parseFrom(data);
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+  public static com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse parseFrom(
+      byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
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+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
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+  }
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+  public static com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+  public static com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
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+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
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+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Response message for fetch processor types.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.FetchProcessorTypesResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.FetchProcessorTypesResponse)
+      com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
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+    }
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+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+    @java.lang.Override
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+    public com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse build() {
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+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
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+      }
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+    }
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+            com.google.cloud.documentai.v1beta3.ProcessorType.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>
+        processorTypesBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType>
+        getProcessorTypesList() {
+      if (processorTypesBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(processorTypes_);
+      } else {
+        return processorTypesBuilder_.getMessageList();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public int getProcessorTypesCount() {
+      if (processorTypesBuilder_ == null) {
+        return processorTypes_.size();
+      } else {
+        return processorTypesBuilder_.getCount();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType getProcessorTypes(int index) {
+      if (processorTypesBuilder_ == null) {
+        return processorTypes_.get(index);
+      } else {
+        return processorTypesBuilder_.getMessage(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder setProcessorTypes(
+        int index, com.google.cloud.documentai.v1beta3.ProcessorType value) {
+      if (processorTypesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorTypesIsMutable();
+        processorTypes_.set(index, value);
+        onChanged();
+      } else {
+        processorTypesBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder setProcessorTypes(
+        int index, com.google.cloud.documentai.v1beta3.ProcessorType.Builder builderForValue) {
+      if (processorTypesBuilder_ == null) {
+        ensureProcessorTypesIsMutable();
+        processorTypes_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        processorTypesBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder addProcessorTypes(com.google.cloud.documentai.v1beta3.ProcessorType value) {
+      if (processorTypesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorTypesIsMutable();
+        processorTypes_.add(value);
+        onChanged();
+      } else {
+        processorTypesBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder addProcessorTypes(
+        int index, com.google.cloud.documentai.v1beta3.ProcessorType value) {
+      if (processorTypesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorTypesIsMutable();
+        processorTypes_.add(index, value);
+        onChanged();
+      } else {
+        processorTypesBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder addProcessorTypes(
+        com.google.cloud.documentai.v1beta3.ProcessorType.Builder builderForValue) {
+      if (processorTypesBuilder_ == null) {
+        ensureProcessorTypesIsMutable();
+        processorTypes_.add(builderForValue.build());
+        onChanged();
+      } else {
+        processorTypesBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder addProcessorTypes(
+        int index, com.google.cloud.documentai.v1beta3.ProcessorType.Builder builderForValue) {
+      if (processorTypesBuilder_ == null) {
+        ensureProcessorTypesIsMutable();
+        processorTypes_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        processorTypesBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder addAllProcessorTypes(
+        java.lang.Iterable<? extends com.google.cloud.documentai.v1beta3.ProcessorType> values) {
+      if (processorTypesBuilder_ == null) {
+        ensureProcessorTypesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, processorTypes_);
+        onChanged();
+      } else {
+        processorTypesBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder clearProcessorTypes() {
+      if (processorTypesBuilder_ == null) {
+        processorTypes_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        processorTypesBuilder_.clear();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public Builder removeProcessorTypes(int index) {
+      if (processorTypesBuilder_ == null) {
+        ensureProcessorTypesIsMutable();
+        processorTypes_.remove(index);
+        onChanged();
+      } else {
+        processorTypesBuilder_.remove(index);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.Builder getProcessorTypesBuilder(
+        int index) {
+      return getProcessorTypesFieldBuilder().getBuilder(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder getProcessorTypesOrBuilder(
+        int index) {
+      if (processorTypesBuilder_ == null) {
+        return processorTypes_.get(index);
+      } else {
+        return processorTypesBuilder_.getMessageOrBuilder(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>
+        getProcessorTypesOrBuilderList() {
+      if (processorTypesBuilder_ != null) {
+        return processorTypesBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(processorTypes_);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.Builder addProcessorTypesBuilder() {
+      return getProcessorTypesFieldBuilder()
+          .addBuilder(com.google.cloud.documentai.v1beta3.ProcessorType.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.Builder addProcessorTypesBuilder(
+        int index) {
+      return getProcessorTypesFieldBuilder()
+          .addBuilder(
+              index, com.google.cloud.documentai.v1beta3.ProcessorType.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processor types.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.Builder>
+        getProcessorTypesBuilderList() {
+      return getProcessorTypesFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.ProcessorType,
+            com.google.cloud.documentai.v1beta3.ProcessorType.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>
+        getProcessorTypesFieldBuilder() {
+      if (processorTypesBuilder_ == null) {
+        processorTypesBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.ProcessorType,
+                com.google.cloud.documentai.v1beta3.ProcessorType.Builder,
+                com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>(
+                processorTypes_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
+        processorTypes_ = null;
+      }
+      return processorTypesBuilder_;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.FetchProcessorTypesResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.FetchProcessorTypesResponse)
+  private static final com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse
+      DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse
+      getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<FetchProcessorTypesResponse> PARSER =
+      new com.google.protobuf.AbstractParser<FetchProcessorTypesResponse>() {
+        @java.lang.Override
+        public FetchProcessorTypesResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new FetchProcessorTypesResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<FetchProcessorTypesResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<FetchProcessorTypesResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.FetchProcessorTypesResponse
+      getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponseOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponseOrBuilder.java
new file mode 100644
index 00000000..c52e8007
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/FetchProcessorTypesResponseOrBuilder.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface FetchProcessorTypesResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.FetchProcessorTypesResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+   */
+  java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType> getProcessorTypesList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorType getProcessorTypes(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+   */
+  int getProcessorTypesCount();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+   */
+  java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder>
+      getProcessorTypesOrBuilderList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processor types.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.ProcessorType processor_types = 1;</code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorTypeOrBuilder getProcessorTypesOrBuilder(int index);
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequest.java
new file mode 100644
index 00000000..0ebc127d
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequest.java
@@ -0,0 +1,942 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Request message for list all processors belongs to a project.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.ListProcessorsRequest}
+ */
+public final class ListProcessorsRequest extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.ListProcessorsRequest)
+    ListProcessorsRequestOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ListProcessorsRequest.newBuilder() to construct.
+  private ListProcessorsRequest(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListProcessorsRequest() {
+    parent_ = "";
+    pageToken_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ListProcessorsRequest();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ListProcessorsRequest(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              parent_ = s;
+              break;
+            }
+          case 16:
+            {
+              pageSize_ = input.readInt32();
+              break;
+            }
+          case 26:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              pageToken_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_ListProcessorsRequest_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.ListProcessorsRequest.class,
+            com.google.cloud.documentai.v1beta3.ListProcessorsRequest.Builder.class);
+  }
+
+  public static final int PARENT_FIELD_NUMBER = 1;
+  private volatile java.lang.Object parent_;
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) which owns this collection of Processors.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  @java.lang.Override
+  public java.lang.String getParent() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      parent_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) which owns this collection of Processors.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getParentBytes() {
+    java.lang.Object ref = parent_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      parent_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PAGE_SIZE_FIELD_NUMBER = 2;
+  private int pageSize_;
+  /**
+   *
+   *
+   * <pre>
+   * The maximum number of processors to return.
+   * If unspecified, at most 50 processors will be returned.
+   * The maximum value is 100; values above 100 will be coerced to 100.
+   * </pre>
+   *
+   * <code>int32 page_size = 2;</code>
+   *
+   * @return The pageSize.
+   */
+  @java.lang.Override
+  public int getPageSize() {
+    return pageSize_;
+  }
+
+  public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
+  private volatile java.lang.Object pageToken_;
+  /**
+   *
+   *
+   * <pre>
+   * We will return the processors sorted by creation time. The page token
+   * will point to the next processor.
+   * </pre>
+   *
+   * <code>string page_token = 3;</code>
+   *
+   * @return The pageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getPageToken() {
+    java.lang.Object ref = pageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      pageToken_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * We will return the processors sorted by creation time. The page token
+   * will point to the next processor.
+   * </pre>
+   *
+   * <code>string page_token = 3;</code>
+   *
+   * @return The bytes for pageToken.
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+   *
+   * <pre>
+   * Request message for list all processors belongs to a project.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.ListProcessorsRequest}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
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+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.ListProcessorsRequest)
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+    }
+
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+    public com.google.cloud.documentai.v1beta3.ListProcessorsRequest getDefaultInstanceForType() {
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+      result.pageSize_ = pageSize_;
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+      onBuilt();
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+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.ListProcessorsRequest other) {
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+      if (!other.getParent().isEmpty()) {
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+      if (other.getPageSize() != 0) {
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+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
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+
+    @java.lang.Override
+    public final boolean isInitialized() {
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+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.ListProcessorsRequest parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.ListProcessorsRequest) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
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+
+    private java.lang.Object parent_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) which owns this collection of Processors.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The parent.
+     */
+    public java.lang.String getParent() {
+      java.lang.Object ref = parent_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        parent_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) which owns this collection of Processors.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return The bytes for parent.
+     */
+    public com.google.protobuf.ByteString getParentBytes() {
+      java.lang.Object ref = parent_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        parent_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) which owns this collection of Processors.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParent(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) which owns this collection of Processors.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearParent() {
+
+      parent_ = getDefaultInstance().getParent();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Required. The parent (project and location) which owns this collection of Processors.
+     * Format: projects/{project}/locations/{location}
+     * </pre>
+     *
+     * <code>
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+     * </code>
+     *
+     * @param value The bytes for parent to set.
+     * @return This builder for chaining.
+     */
+    public Builder setParentBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      parent_ = value;
+      onChanged();
+      return this;
+    }
+
+    private int pageSize_;
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of processors to return.
+     * If unspecified, at most 50 processors will be returned.
+     * The maximum value is 100; values above 100 will be coerced to 100.
+     * </pre>
+     *
+     * <code>int32 page_size = 2;</code>
+     *
+     * @return The pageSize.
+     */
+    @java.lang.Override
+    public int getPageSize() {
+      return pageSize_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of processors to return.
+     * If unspecified, at most 50 processors will be returned.
+     * The maximum value is 100; values above 100 will be coerced to 100.
+     * </pre>
+     *
+     * <code>int32 page_size = 2;</code>
+     *
+     * @param value The pageSize to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageSize(int value) {
+
+      pageSize_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The maximum number of processors to return.
+     * If unspecified, at most 50 processors will be returned.
+     * The maximum value is 100; values above 100 will be coerced to 100.
+     * </pre>
+     *
+     * <code>int32 page_size = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageSize() {
+
+      pageSize_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object pageToken_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * We will return the processors sorted by creation time. The page token
+     * will point to the next processor.
+     * </pre>
+     *
+     * <code>string page_token = 3;</code>
+     *
+     * @return The pageToken.
+     */
+    public java.lang.String getPageToken() {
+      java.lang.Object ref = pageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        pageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * We will return the processors sorted by creation time. The page token
+     * will point to the next processor.
+     * </pre>
+     *
+     * <code>string page_token = 3;</code>
+     *
+     * @return The bytes for pageToken.
+     */
+    public com.google.protobuf.ByteString getPageTokenBytes() {
+      java.lang.Object ref = pageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        pageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * We will return the processors sorted by creation time. The page token
+     * will point to the next processor.
+     * </pre>
+     *
+     * <code>string page_token = 3;</code>
+     *
+     * @param value The pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      pageToken_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * We will return the processors sorted by creation time. The page token
+     * will point to the next processor.
+     * </pre>
+     *
+     * <code>string page_token = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPageToken() {
+
+      pageToken_ = getDefaultInstance().getPageToken();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * We will return the processors sorted by creation time. The page token
+     * will point to the next processor.
+     * </pre>
+     *
+     * <code>string page_token = 3;</code>
+     *
+     * @param value The bytes for pageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      pageToken_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.ListProcessorsRequest)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.ListProcessorsRequest)
+  private static final com.google.cloud.documentai.v1beta3.ListProcessorsRequest DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.ListProcessorsRequest();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsRequest getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListProcessorsRequest> PARSER =
+      new com.google.protobuf.AbstractParser<ListProcessorsRequest>() {
+        @java.lang.Override
+        public ListProcessorsRequest parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ListProcessorsRequest(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListProcessorsRequest> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListProcessorsRequest> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ListProcessorsRequest getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequestOrBuilder.java
new file mode 100644
index 00000000..157b8446
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsRequestOrBuilder.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface ListProcessorsRequestOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.ListProcessorsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) which owns this collection of Processors.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The parent.
+   */
+  java.lang.String getParent();
+  /**
+   *
+   *
+   * <pre>
+   * Required. The parent (project and location) which owns this collection of Processors.
+   * Format: projects/{project}/locations/{location}
+   * </pre>
+   *
+   * <code>
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * </code>
+   *
+   * @return The bytes for parent.
+   */
+  com.google.protobuf.ByteString getParentBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The maximum number of processors to return.
+   * If unspecified, at most 50 processors will be returned.
+   * The maximum value is 100; values above 100 will be coerced to 100.
+   * </pre>
+   *
+   * <code>int32 page_size = 2;</code>
+   *
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   *
+   *
+   * <pre>
+   * We will return the processors sorted by creation time. The page token
+   * will point to the next processor.
+   * </pre>
+   *
+   * <code>string page_token = 3;</code>
+   *
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   *
+   *
+   * <pre>
+   * We will return the processors sorted by creation time. The page token
+   * will point to the next processor.
+   * </pre>
+   *
+   * <code>string page_token = 3;</code>
+   *
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString getPageTokenBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponse.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponse.java
new file mode 100644
index 00000000..19246e68
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponse.java
@@ -0,0 +1,1133 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * Response message for list processors.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.ListProcessorsResponse}
+ */
+public final class ListProcessorsResponse extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.ListProcessorsResponse)
+    ListProcessorsResponseOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ListProcessorsResponse.newBuilder() to construct.
+  private ListProcessorsResponse(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ListProcessorsResponse() {
+    processors_ = java.util.Collections.emptyList();
+    nextPageToken_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ListProcessorsResponse();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ListProcessorsResponse(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    int mutable_bitField0_ = 0;
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              if (!((mutable_bitField0_ & 0x00000001) != 0)) {
+                processors_ =
+                    new java.util.ArrayList<com.google.cloud.documentai.v1beta3.Processor>();
+                mutable_bitField0_ |= 0x00000001;
+              }
+              processors_.add(
+                  input.readMessage(
+                      com.google.cloud.documentai.v1beta3.Processor.parser(), extensionRegistry));
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              nextPageToken_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      if (((mutable_bitField0_ & 0x00000001) != 0)) {
+        processors_ = java.util.Collections.unmodifiableList(processors_);
+      }
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+        .internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.ListProcessorsResponse.class,
+            com.google.cloud.documentai.v1beta3.ListProcessorsResponse.Builder.class);
+  }
+
+  public static final int PROCESSORS_FIELD_NUMBER = 1;
+  private java.util.List<com.google.cloud.documentai.v1beta3.Processor> processors_;
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<com.google.cloud.documentai.v1beta3.Processor> getProcessorsList() {
+    return processors_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  @java.lang.Override
+  public java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+      getProcessorsOrBuilderList() {
+    return processors_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  @java.lang.Override
+  public int getProcessorsCount() {
+    return processors_.size();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.Processor getProcessors(int index) {
+    return processors_.get(index);
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorsOrBuilder(int index) {
+    return processors_.get(index);
+  }
+
+  public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
+  private volatile java.lang.Object nextPageToken_;
+  /**
+   *
+   *
+   * <pre>
+   * Points to the next processor, otherwise empty.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  @java.lang.Override
+  public java.lang.String getNextPageToken() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      nextPageToken_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Points to the next processor, otherwise empty.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    java.lang.Object ref = nextPageToken_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      nextPageToken_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    for (int i = 0; i < processors_.size(); i++) {
+      output.writeMessage(1, processors_.get(i));
+    }
+    if (!getNextPageTokenBytes().isEmpty()) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, nextPageToken_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    for (int i = 0; i < processors_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, processors_.get(i));
+    }
+    if (!getNextPageTokenBytes().isEmpty()) {
+      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
+    }
+    size += unknownFields.getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.documentai.v1beta3.ListProcessorsResponse)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.documentai.v1beta3.ListProcessorsResponse other =
+        (com.google.cloud.documentai.v1beta3.ListProcessorsResponse) obj;
+
+    if (!getProcessorsList().equals(other.getProcessorsList())) return false;
+    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getProcessorsCount() > 0) {
+      hash = (37 * hash) + PROCESSORS_FIELD_NUMBER;
+      hash = (53 * hash) + getProcessorsList().hashCode();
+    }
+    hash = (37 * hash) + NEXT_PAGE_TOKEN_FIELD_NUMBER;
+    hash = (53 * hash) + getNextPageToken().hashCode();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(
+      com.google.cloud.documentai.v1beta3.ListProcessorsResponse prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Response message for list processors.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.ListProcessorsResponse}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.ListProcessorsResponse)
+      com.google.cloud.documentai.v1beta3.ListProcessorsResponseOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
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+          .ensureFieldAccessorsInitialized(
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+              com.google.cloud.documentai.v1beta3.ListProcessorsResponse.Builder.class);
+    }
+
+    // Construct using com.google.cloud.documentai.v1beta3.ListProcessorsResponse.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
+        getProcessorsFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
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+      } else {
+        processorsBuilder_.clear();
+      }
+      nextPageToken_ = "";
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+          .internal_static_google_cloud_documentai_v1beta3_ListProcessorsResponse_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.ListProcessorsResponse getDefaultInstanceForType() {
+      return com.google.cloud.documentai.v1beta3.ListProcessorsResponse.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.ListProcessorsResponse build() {
+      com.google.cloud.documentai.v1beta3.ListProcessorsResponse result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.ListProcessorsResponse buildPartial() {
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+      int from_bitField0_ = bitField0_;
+      if (processorsBuilder_ == null) {
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+        result.processors_ = processors_;
+      } else {
+        result.processors_ = processorsBuilder_.build();
+      }
+      result.nextPageToken_ = nextPageToken_;
+      onBuilt();
+      return result;
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+
+    @java.lang.Override
+    public Builder setField(
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+    @java.lang.Override
+    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
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+    @java.lang.Override
+    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
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+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
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+    @java.lang.Override
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+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.ListProcessorsResponse other) {
+      if (other == com.google.cloud.documentai.v1beta3.ListProcessorsResponse.getDefaultInstance())
+        return this;
+      if (processorsBuilder_ == null) {
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+            processorsBuilder_ = null;
+            processors_ = other.processors_;
+            bitField0_ = (bitField0_ & ~0x00000001);
+            processorsBuilder_ =
+                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
+                    ? getProcessorsFieldBuilder()
+                    : null;
+          } else {
+            processorsBuilder_.addAllMessages(other.processors_);
+          }
+        }
+      }
+      if (!other.getNextPageToken().isEmpty()) {
+        nextPageToken_ = other.nextPageToken_;
+        onChanged();
+      }
+      this.mergeUnknownFields(other.unknownFields);
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      com.google.cloud.documentai.v1beta3.ListProcessorsResponse parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.documentai.v1beta3.ListProcessorsResponse) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int bitField0_;
+
+    private java.util.List<com.google.cloud.documentai.v1beta3.Processor> processors_ =
+        java.util.Collections.emptyList();
+
+    private void ensureProcessorsIsMutable() {
+      if (!((bitField0_ & 0x00000001) != 0)) {
+        processors_ =
+            new java.util.ArrayList<com.google.cloud.documentai.v1beta3.Processor>(processors_);
+        bitField0_ |= 0x00000001;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.Processor,
+            com.google.cloud.documentai.v1beta3.Processor.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+        processorsBuilder_;
+
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1beta3.Processor> getProcessorsList() {
+      if (processorsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(processors_);
+      } else {
+        return processorsBuilder_.getMessageList();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public int getProcessorsCount() {
+      if (processorsBuilder_ == null) {
+        return processors_.size();
+      } else {
+        return processorsBuilder_.getCount();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor getProcessors(int index) {
+      if (processorsBuilder_ == null) {
+        return processors_.get(index);
+      } else {
+        return processorsBuilder_.getMessage(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder setProcessors(int index, com.google.cloud.documentai.v1beta3.Processor value) {
+      if (processorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorsIsMutable();
+        processors_.set(index, value);
+        onChanged();
+      } else {
+        processorsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder setProcessors(
+        int index, com.google.cloud.documentai.v1beta3.Processor.Builder builderForValue) {
+      if (processorsBuilder_ == null) {
+        ensureProcessorsIsMutable();
+        processors_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        processorsBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder addProcessors(com.google.cloud.documentai.v1beta3.Processor value) {
+      if (processorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorsIsMutable();
+        processors_.add(value);
+        onChanged();
+      } else {
+        processorsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder addProcessors(int index, com.google.cloud.documentai.v1beta3.Processor value) {
+      if (processorsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureProcessorsIsMutable();
+        processors_.add(index, value);
+        onChanged();
+      } else {
+        processorsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder addProcessors(
+        com.google.cloud.documentai.v1beta3.Processor.Builder builderForValue) {
+      if (processorsBuilder_ == null) {
+        ensureProcessorsIsMutable();
+        processors_.add(builderForValue.build());
+        onChanged();
+      } else {
+        processorsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder addProcessors(
+        int index, com.google.cloud.documentai.v1beta3.Processor.Builder builderForValue) {
+      if (processorsBuilder_ == null) {
+        ensureProcessorsIsMutable();
+        processors_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        processorsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder addAllProcessors(
+        java.lang.Iterable<? extends com.google.cloud.documentai.v1beta3.Processor> values) {
+      if (processorsBuilder_ == null) {
+        ensureProcessorsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, processors_);
+        onChanged();
+      } else {
+        processorsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder clearProcessors() {
+      if (processorsBuilder_ == null) {
+        processors_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        processorsBuilder_.clear();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public Builder removeProcessors(int index) {
+      if (processorsBuilder_ == null) {
+        ensureProcessorsIsMutable();
+        processors_.remove(index);
+        onChanged();
+      } else {
+        processorsBuilder_.remove(index);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor.Builder getProcessorsBuilder(int index) {
+      return getProcessorsFieldBuilder().getBuilder(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorsOrBuilder(
+        int index) {
+      if (processorsBuilder_ == null) {
+        return processors_.get(index);
+      } else {
+        return processorsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+        getProcessorsOrBuilderList() {
+      if (processorsBuilder_ != null) {
+        return processorsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(processors_);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor.Builder addProcessorsBuilder() {
+      return getProcessorsFieldBuilder()
+          .addBuilder(com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public com.google.cloud.documentai.v1beta3.Processor.Builder addProcessorsBuilder(int index) {
+      return getProcessorsFieldBuilder()
+          .addBuilder(index, com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The list of processors.
+     * </pre>
+     *
+     * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1beta3.Processor.Builder>
+        getProcessorsBuilderList() {
+      return getProcessorsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.Processor,
+            com.google.cloud.documentai.v1beta3.Processor.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+        getProcessorsFieldBuilder() {
+      if (processorsBuilder_ == null) {
+        processorsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.Processor,
+                com.google.cloud.documentai.v1beta3.Processor.Builder,
+                com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>(
+                processors_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        processors_ = null;
+      }
+      return processorsBuilder_;
+    }
+
+    private java.lang.Object nextPageToken_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Points to the next processor, otherwise empty.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The nextPageToken.
+     */
+    public java.lang.String getNextPageToken() {
+      java.lang.Object ref = nextPageToken_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        nextPageToken_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Points to the next processor, otherwise empty.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return The bytes for nextPageToken.
+     */
+    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+      java.lang.Object ref = nextPageToken_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        nextPageToken_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Points to the next processor, otherwise empty.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageToken(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      nextPageToken_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Points to the next processor, otherwise empty.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearNextPageToken() {
+
+      nextPageToken_ = getDefaultInstance().getNextPageToken();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Points to the next processor, otherwise empty.
+     * </pre>
+     *
+     * <code>string next_page_token = 2;</code>
+     *
+     * @param value The bytes for nextPageToken to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      nextPageToken_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.ListProcessorsResponse)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.ListProcessorsResponse)
+  private static final com.google.cloud.documentai.v1beta3.ListProcessorsResponse DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.ListProcessorsResponse();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ListProcessorsResponse getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ListProcessorsResponse> PARSER =
+      new com.google.protobuf.AbstractParser<ListProcessorsResponse>() {
+        @java.lang.Override
+        public ListProcessorsResponse parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ListProcessorsResponse(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ListProcessorsResponse> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ListProcessorsResponse> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ListProcessorsResponse getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponseOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponseOrBuilder.java
new file mode 100644
index 00000000..2414e6cb
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ListProcessorsResponseOrBuilder.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface ListProcessorsResponseOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.ListProcessorsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  java.util.List<com.google.cloud.documentai.v1beta3.Processor> getProcessorsList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  com.google.cloud.documentai.v1beta3.Processor getProcessors(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  int getProcessorsCount();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorOrBuilder>
+      getProcessorsOrBuilderList();
+  /**
+   *
+   *
+   * <pre>
+   * The list of processors.
+   * </pre>
+   *
+   * <code>repeated .google.cloud.documentai.v1beta3.Processor processors = 1;</code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorOrBuilder getProcessorsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Points to the next processor, otherwise empty.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   *
+   *
+   * <pre>
+   * Points to the next processor, otherwise empty.
+   * </pre>
+   *
+   * <code>string next_page_token = 2;</code>
+   *
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString getNextPageTokenBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/LocationName.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/LocationName.java
new file mode 100644
index 00000000..750b2e48
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/LocationName.java
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.documentai.v1beta3;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class LocationName implements ResourceName {
+  private static final PathTemplate PROJECT_LOCATION =
+      PathTemplate.createWithoutUrlEncoding("projects/{project}/locations/{location}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String location;
+
+  @Deprecated
+  protected LocationName() {
+    project = null;
+    location = null;
+  }
+
+  private LocationName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    location = Preconditions.checkNotNull(builder.getLocation());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getLocation() {
+    return location;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static LocationName of(String project, String location) {
+    return newBuilder().setProject(project).setLocation(location).build();
+  }
+
+  public static String format(String project, String location) {
+    return newBuilder().setProject(project).setLocation(location).build().toString();
+  }
+
+  public static LocationName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_LOCATION.validatedMatch(
+            formattedString, "LocationName.parse: formattedString not in valid format");
+    return of(matchMap.get("project"), matchMap.get("location"));
+  }
+
+  public static List<LocationName> parseList(List<String> formattedStrings) {
+    List<LocationName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<LocationName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (LocationName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_LOCATION.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (location != null) {
+            fieldMapBuilder.put("location", location);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_LOCATION.instantiate("project", project, "location", location);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null || getClass() == o.getClass()) {
+      LocationName that = ((LocationName) o);
+      return Objects.equals(this.project, that.project)
+          && Objects.equals(this.location, that.location);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(location);
+    return h;
+  }
+
+  /** Builder for projects/{project}/locations/{location}. */
+  public static class Builder {
+    private String project;
+    private String location;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getLocation() {
+      return location;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setLocation(String location) {
+      this.location = location;
+      return this;
+    }
+
+    private Builder(LocationName locationName) {
+      project = locationName.project;
+      location = locationName.location;
+    }
+
+    public LocationName build() {
+      return new LocationName(this);
+    }
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Processor.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Processor.java
new file mode 100644
index 00000000..d5bd9cb3
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Processor.java
@@ -0,0 +1,2282 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * The first-class citizen for DocumentAI. Each processor defines how to extract
+ * structural information from a document.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.Processor}
+ */
+public final class Processor extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.Processor)
+    ProcessorOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use Processor.newBuilder() to construct.
+  private Processor(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private Processor() {
+    name_ = "";
+    type_ = "";
+    displayName_ = "";
+    state_ = 0;
+    defaultProcessorVersion_ = "";
+    processEndpoint_ = "";
+    kmsKeyName_ = "";
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new Processor();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private Processor(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    this();
+    if (extensionRegistry == null) {
+      throw new java.lang.NullPointerException();
+    }
+    com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+        com.google.protobuf.UnknownFieldSet.newBuilder();
+    try {
+      boolean done = false;
+      while (!done) {
+        int tag = input.readTag();
+        switch (tag) {
+          case 0:
+            done = true;
+            break;
+          case 10:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              name_ = s;
+              break;
+            }
+          case 18:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              type_ = s;
+              break;
+            }
+          case 26:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              displayName_ = s;
+              break;
+            }
+          case 32:
+            {
+              int rawValue = input.readEnum();
+
+              state_ = rawValue;
+              break;
+            }
+          case 50:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              processEndpoint_ = s;
+              break;
+            }
+          case 58:
+            {
+              com.google.protobuf.Timestamp.Builder subBuilder = null;
+              if (createTime_ != null) {
+                subBuilder = createTime_.toBuilder();
+              }
+              createTime_ =
+                  input.readMessage(com.google.protobuf.Timestamp.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(createTime_);
+                createTime_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 66:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              kmsKeyName_ = s;
+              break;
+            }
+          case 74:
+            {
+              java.lang.String s = input.readStringRequireUtf8();
+
+              defaultProcessorVersion_ = s;
+              break;
+            }
+          default:
+            {
+              if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+        }
+      }
+    } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+      throw e.setUnfinishedMessage(this);
+    } catch (java.io.IOException e) {
+      throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
+    } finally {
+      this.unknownFields = unknownFields.build();
+      makeExtensionsImmutable();
+    }
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessor
+        .internal_static_google_cloud_documentai_v1beta3_Processor_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessor
+        .internal_static_google_cloud_documentai_v1beta3_Processor_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.documentai.v1beta3.Processor.class,
+            com.google.cloud.documentai.v1beta3.Processor.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * <pre>
+   * The possible states of the processor.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.documentai.v1beta3.Processor.State}
+   */
+  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * The processor is in an unspecified state.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    STATE_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is enabled.
+     * </pre>
+     *
+     * <code>ENABLED = 1;</code>
+     */
+    ENABLED(1),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is disabled.
+     * </pre>
+     *
+     * <code>DISABLED = 2;</code>
+     */
+    DISABLED(2),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being enabled, will become ENABLED if successful.
+     * </pre>
+     *
+     * <code>ENABLING = 3;</code>
+     */
+    ENABLING(3),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being disabled, will become DISABLED if successful.
+     * </pre>
+     *
+     * <code>DISABLING = 4;</code>
+     */
+    DISABLING(4),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being created.
+     * </pre>
+     *
+     * <code>CREATING = 5;</code>
+     */
+    CREATING(5),
+    /**
+     *
+     *
+     * <pre>
+     * The processor failed during creation.
+     * </pre>
+     *
+     * <code>FAILED = 6;</code>
+     */
+    FAILED(6),
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being deleted, will be removed if successful.
+     * </pre>
+     *
+     * <code>DELETING = 7;</code>
+     */
+    DELETING(7),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * The processor is in an unspecified state.
+     * </pre>
+     *
+     * <code>STATE_UNSPECIFIED = 0;</code>
+     */
+    public static final int STATE_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is enabled.
+     * </pre>
+     *
+     * <code>ENABLED = 1;</code>
+     */
+    public static final int ENABLED_VALUE = 1;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is disabled.
+     * </pre>
+     *
+     * <code>DISABLED = 2;</code>
+     */
+    public static final int DISABLED_VALUE = 2;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being enabled, will become ENABLED if successful.
+     * </pre>
+     *
+     * <code>ENABLING = 3;</code>
+     */
+    public static final int ENABLING_VALUE = 3;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being disabled, will become DISABLED if successful.
+     * </pre>
+     *
+     * <code>DISABLING = 4;</code>
+     */
+    public static final int DISABLING_VALUE = 4;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being created.
+     * </pre>
+     *
+     * <code>CREATING = 5;</code>
+     */
+    public static final int CREATING_VALUE = 5;
+    /**
+     *
+     *
+     * <pre>
+     * The processor failed during creation.
+     * </pre>
+     *
+     * <code>FAILED = 6;</code>
+     */
+    public static final int FAILED_VALUE = 6;
+    /**
+     *
+     *
+     * <pre>
+     * The processor is being deleted, will be removed if successful.
+     * </pre>
+     *
+     * <code>DELETING = 7;</code>
+     */
+    public static final int DELETING_VALUE = 7;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static State valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static State forNumber(int value) {
+      switch (value) {
+        case 0:
+          return STATE_UNSPECIFIED;
+        case 1:
+          return ENABLED;
+        case 2:
+          return DISABLED;
+        case 3:
+          return ENABLING;
+        case 4:
+          return DISABLING;
+        case 5:
+          return CREATING;
+        case 6:
+          return FAILED;
+        case 7:
+          return DELETING;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<State> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<State> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<State>() {
+          public State findValueByNumber(int number) {
+            return State.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.Processor.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final State[] VALUES = values();
+
+    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private State(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.documentai.v1beta3.Processor.State)
+  }
+
+  public static final int NAME_FIELD_NUMBER = 1;
+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The resource name of the processor.
+   * Format: projects/{project}/locations/{location}/processors/{processor}
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The name.
+   */
+  @java.lang.Override
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The resource name of the processor.
+   * Format: projects/{project}/locations/{location}/processors/{processor}
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int TYPE_FIELD_NUMBER = 2;
+  private volatile java.lang.Object type_;
+  /**
+   *
+   *
+   * <pre>
+   * The processor type.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The type.
+   */
+  @java.lang.Override
+  public java.lang.String getType() {
+    java.lang.Object ref = type_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      type_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The processor type.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The bytes for type.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTypeBytes() {
+    java.lang.Object ref = type_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      type_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 3;
+  private volatile java.lang.Object displayName_;
+  /**
+   *
+   *
+   * <pre>
+   * The display name of the processor.
+   * </pre>
+   *
+   * <code>string display_name = 3;</code>
+   *
+   * @return The displayName.
+   */
+  @java.lang.Override
+  public java.lang.String getDisplayName() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      displayName_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The display name of the processor.
+   * </pre>
+   *
+   * <code>string display_name = 3;</code>
+   *
+   * @return The bytes for displayName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDisplayNameBytes() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      displayName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int STATE_FIELD_NUMBER = 4;
+  private int state_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the processor.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  @java.lang.Override
+  public int getStateValue() {
+    return state_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the processor.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.Processor.State getState() {
+    @SuppressWarnings("deprecation")
+    com.google.cloud.documentai.v1beta3.Processor.State result =
+        com.google.cloud.documentai.v1beta3.Processor.State.valueOf(state_);
+    return result == null
+        ? com.google.cloud.documentai.v1beta3.Processor.State.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int DEFAULT_PROCESSOR_VERSION_FIELD_NUMBER = 9;
+  private volatile java.lang.Object defaultProcessorVersion_;
+  /**
+   *
+   *
+   * <pre>
+   * The default processor version.
+   * </pre>
+   *
+   * <code>string default_processor_version = 9;</code>
+   *
+   * @return The defaultProcessorVersion.
+   */
+  @java.lang.Override
+  public java.lang.String getDefaultProcessorVersion() {
+    java.lang.Object ref = defaultProcessorVersion_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      defaultProcessorVersion_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The default processor version.
+   * </pre>
+   *
+   * <code>string default_processor_version = 9;</code>
+   *
+   * @return The bytes for defaultProcessorVersion.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDefaultProcessorVersionBytes() {
+    java.lang.Object ref = defaultProcessorVersion_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      defaultProcessorVersion_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int PROCESS_ENDPOINT_FIELD_NUMBER = 6;
+  private volatile java.lang.Object processEndpoint_;
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The http endpoint that can be called to invoke processing.
+   * </pre>
+   *
+   * <code>
+   * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The processEndpoint.
+   */
+  @java.lang.Override
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+   *
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+   * <pre>
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+   * </pre>
+   *
+   * <code>
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(java.nio.ByteBuffer data)
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+    return PARSER.parseFrom(data);
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+
+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
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+    return PARSER.parseFrom(data, extensionRegistry);
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
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+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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+  public static com.google.cloud.documentai.v1beta3.Processor parseDelimitedFrom(
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+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
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+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
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+  public static com.google.cloud.documentai.v1beta3.Processor parseFrom(
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+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
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+  @java.lang.Override
+  public Builder newBuilderForType() {
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+  public static Builder newBuilder() {
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+  public static Builder newBuilder(com.google.cloud.documentai.v1beta3.Processor prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
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+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
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+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
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+  /**
+   *
+   *
+   * <pre>
+   * The first-class citizen for DocumentAI. Each processor defines how to extract
+   * structural information from a document.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.Processor}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder<Builder>
+      implements
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+      com.google.cloud.documentai.v1beta3.ProcessorOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.DocumentAiProcessor
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+    // Construct using com.google.cloud.documentai.v1beta3.Processor.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
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+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
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+      type_ = "";
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+      displayName_ = "";
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+
+      processEndpoint_ = "";
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+      kmsKeyName_ = "";
+
+      return this;
+    }
+
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+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+    public Builder mergeFrom(com.google.cloud.documentai.v1beta3.Processor other) {
+      if (other == com.google.cloud.documentai.v1beta3.Processor.getDefaultInstance()) return this;
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+    @java.lang.Override
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+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
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+
+    private java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The resource name of the processor.
+     * Format: projects/{project}/locations/{location}/processors/{processor}
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
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+        java.lang.String s = bs.toStringUtf8();
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+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The resource name of the processor.
+     * Format: projects/{project}/locations/{location}/processors/{processor}
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The bytes for name.
+     */
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+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
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+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The resource name of the processor.
+     * Format: projects/{project}/locations/{location}/processors/{processor}
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The resource name of the processor.
+     * Format: projects/{project}/locations/{location}/processors/{processor}
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+
+      name_ = getDefaultInstance().getName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The resource name of the processor.
+     * Format: projects/{project}/locations/{location}/processors/{processor}
+     * </pre>
+     *
+     * <code>
+     * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
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+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      name_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object type_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The processor type.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @return The type.
+     */
+    public java.lang.String getType() {
+      java.lang.Object ref = type_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        type_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The processor type.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @return The bytes for type.
+     */
+    public com.google.protobuf.ByteString getTypeBytes() {
+      java.lang.Object ref = type_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        type_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The processor type.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @param value The type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      type_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The processor type.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearType() {
+
+      type_ = getDefaultInstance().getType();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The processor type.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @param value The bytes for type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      type_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The display name of the processor.
+     * </pre>
+     *
+     * <code>string display_name = 3;</code>
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The display name of the processor.
+     * </pre>
+     *
+     * <code>string display_name = 3;</code>
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The display name of the processor.
+     * </pre>
+     *
+     * <code>string display_name = 3;</code>
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      displayName_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The display name of the processor.
+     * </pre>
+     *
+     * <code>string display_name = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+
+      displayName_ = getDefaultInstance().getDisplayName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The display name of the processor.
+     * </pre>
+     *
+     * <code>string display_name = 3;</code>
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      displayName_ = value;
+      onChanged();
+      return this;
+    }
+
+    private int state_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the processor.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The enum numeric value on the wire for state.
+     */
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the processor.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The enum numeric value on the wire for state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setStateValue(int value) {
+
+      state_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the processor.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return The state.
+     */
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.Processor.State getState() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.documentai.v1beta3.Processor.State result =
+          com.google.cloud.documentai.v1beta3.Processor.State.valueOf(state_);
+      return result == null
+          ? com.google.cloud.documentai.v1beta3.Processor.State.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the processor.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @param value The state to set.
+     * @return This builder for chaining.
+     */
+    public Builder setState(com.google.cloud.documentai.v1beta3.Processor.State value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      state_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. The state of the processor.
+     * </pre>
+     *
+     * <code>
+     * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearState() {
+
+      state_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object defaultProcessorVersion_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The default processor version.
+     * </pre>
+     *
+     * <code>string default_processor_version = 9;</code>
+     *
+     * @return The defaultProcessorVersion.
+     */
+    public java.lang.String getDefaultProcessorVersion() {
+      java.lang.Object ref = defaultProcessorVersion_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        defaultProcessorVersion_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The default processor version.
+     * </pre>
+     *
+     * <code>string default_processor_version = 9;</code>
+     *
+     * @return The bytes for defaultProcessorVersion.
+     */
+    public com.google.protobuf.ByteString getDefaultProcessorVersionBytes() {
+      java.lang.Object ref = defaultProcessorVersion_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        defaultProcessorVersion_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The default processor version.
+     * </pre>
+     *
+     * <code>string default_processor_version = 9;</code>
+     *
+     * @param value The defaultProcessorVersion to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDefaultProcessorVersion(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      defaultProcessorVersion_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The default processor version.
+     * </pre>
+     *
+     * <code>string default_processor_version = 9;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDefaultProcessorVersion() {
+
+      defaultProcessorVersion_ = getDefaultInstance().getDefaultProcessorVersion();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The default processor version.
+     * </pre>
+     *
+     * <code>string default_processor_version = 9;</code>
+     *
+     * @param value The bytes for defaultProcessorVersion to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDefaultProcessorVersionBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      defaultProcessorVersion_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object processEndpoint_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The http endpoint that can be called to invoke processing.
+     * </pre>
+     *
+     * <code>
+     * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The processEndpoint.
+     */
+    public java.lang.String getProcessEndpoint() {
+      java.lang.Object ref = processEndpoint_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        processEndpoint_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The http endpoint that can be called to invoke processing.
+     * </pre>
+     *
+     * <code>
+     * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return The bytes for processEndpoint.
+     */
+    public com.google.protobuf.ByteString getProcessEndpointBytes() {
+      java.lang.Object ref = processEndpoint_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        processEndpoint_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The http endpoint that can be called to invoke processing.
+     * </pre>
+     *
+     * <code>
+     * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @param value The processEndpoint to set.
+     * @return This builder for chaining.
+     */
+    public Builder setProcessEndpoint(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      processEndpoint_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The http endpoint that can be called to invoke processing.
+     * </pre>
+     *
+     * <code>
+     * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearProcessEndpoint() {
+
+      processEndpoint_ = getDefaultInstance().getProcessEndpoint();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Output only. Immutable. The http endpoint that can be called to invoke processing.
+     * </pre>
+     *
+     * <code>
+     * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+     * </code>
+     *
+     * @param value The bytes for processEndpoint to set.
+     * @return This builder for chaining.
+     */
+    public Builder setProcessEndpointBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      processEndpoint_ = value;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.Timestamp createTime_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        createTimeBuilder_;
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     *
+     * @return Whether the createTime field is set.
+     */
+    public boolean hasCreateTime() {
+      return createTimeBuilder_ != null || createTime_ != null;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     *
+     * @return The createTime.
+     */
+    public com.google.protobuf.Timestamp getCreateTime() {
+      if (createTimeBuilder_ == null) {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      } else {
+        return createTimeBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        createTime_ = value;
+        onChanged();
+      } else {
+        createTimeBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+      if (createTimeBuilder_ == null) {
+        createTime_ = builderForValue.build();
+        onChanged();
+      } else {
+        createTimeBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
+      if (createTimeBuilder_ == null) {
+        if (createTime_ != null) {
+          createTime_ =
+              com.google.protobuf.Timestamp.newBuilder(createTime_).mergeFrom(value).buildPartial();
+        } else {
+          createTime_ = value;
+        }
+        onChanged();
+      } else {
+        createTimeBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public Builder clearCreateTime() {
+      if (createTimeBuilder_ == null) {
+        createTime_ = null;
+        onChanged();
+      } else {
+        createTime_ = null;
+        createTimeBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
+
+      onChanged();
+      return getCreateTimeFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
+      if (createTimeBuilder_ != null) {
+        return createTimeBuilder_.getMessageOrBuilder();
+      } else {
+        return createTime_ == null
+            ? com.google.protobuf.Timestamp.getDefaultInstance()
+            : createTime_;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The time the processor was created.
+     * </pre>
+     *
+     * <code>.google.protobuf.Timestamp create_time = 7;</code>
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp,
+            com.google.protobuf.Timestamp.Builder,
+            com.google.protobuf.TimestampOrBuilder>
+        getCreateTimeFieldBuilder() {
+      if (createTimeBuilder_ == null) {
+        createTimeBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.protobuf.Timestamp,
+                com.google.protobuf.Timestamp.Builder,
+                com.google.protobuf.TimestampOrBuilder>(
+                getCreateTime(), getParentForChildren(), isClean());
+        createTime_ = null;
+      }
+      return createTimeBuilder_;
+    }
+
+    private java.lang.Object kmsKeyName_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The KMS key used for encryption/decryption in CMEK scenarios.
+     * See https://cloud.google.com/security-key-management.
+     * </pre>
+     *
+     * <code>string kms_key_name = 8;</code>
+     *
+     * @return The kmsKeyName.
+     */
+    public java.lang.String getKmsKeyName() {
+      java.lang.Object ref = kmsKeyName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        kmsKeyName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The KMS key used for encryption/decryption in CMEK scenarios.
+     * See https://cloud.google.com/security-key-management.
+     * </pre>
+     *
+     * <code>string kms_key_name = 8;</code>
+     *
+     * @return The bytes for kmsKeyName.
+     */
+    public com.google.protobuf.ByteString getKmsKeyNameBytes() {
+      java.lang.Object ref = kmsKeyName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        kmsKeyName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The KMS key used for encryption/decryption in CMEK scenarios.
+     * See https://cloud.google.com/security-key-management.
+     * </pre>
+     *
+     * <code>string kms_key_name = 8;</code>
+     *
+     * @param value The kmsKeyName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setKmsKeyName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      kmsKeyName_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The KMS key used for encryption/decryption in CMEK scenarios.
+     * See https://cloud.google.com/security-key-management.
+     * </pre>
+     *
+     * <code>string kms_key_name = 8;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearKmsKeyName() {
+
+      kmsKeyName_ = getDefaultInstance().getKmsKeyName();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The KMS key used for encryption/decryption in CMEK scenarios.
+     * See https://cloud.google.com/security-key-management.
+     * </pre>
+     *
+     * <code>string kms_key_name = 8;</code>
+     *
+     * @param value The bytes for kmsKeyName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setKmsKeyNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+
+      kmsKeyName_ = value;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.Processor)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.Processor)
+  private static final com.google.cloud.documentai.v1beta3.Processor DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.Processor();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.Processor getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<Processor> PARSER =
+      new com.google.protobuf.AbstractParser<Processor>() {
+        @java.lang.Override
+        public Processor parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new Processor(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<Processor> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<Processor> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.Processor getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorOrBuilder.java
new file mode 100644
index 00000000..80ac03c3
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorOrBuilder.java
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface ProcessorOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.Processor)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The resource name of the processor.
+   * Format: projects/{project}/locations/{location}/processors/{processor}
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The resource name of the processor.
+   * Format: projects/{project}/locations/{location}/processors/{processor}
+   * </pre>
+   *
+   * <code>
+   * string name = 1 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The processor type.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The type.
+   */
+  java.lang.String getType();
+  /**
+   *
+   *
+   * <pre>
+   * The processor type.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The bytes for type.
+   */
+  com.google.protobuf.ByteString getTypeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The display name of the processor.
+   * </pre>
+   *
+   * <code>string display_name = 3;</code>
+   *
+   * @return The displayName.
+   */
+  java.lang.String getDisplayName();
+  /**
+   *
+   *
+   * <pre>
+   * The display name of the processor.
+   * </pre>
+   *
+   * <code>string display_name = 3;</code>
+   *
+   * @return The bytes for displayName.
+   */
+  com.google.protobuf.ByteString getDisplayNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the processor.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. The state of the processor.
+   * </pre>
+   *
+   * <code>
+   * .google.cloud.documentai.v1beta3.Processor.State state = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * </code>
+   *
+   * @return The state.
+   */
+  com.google.cloud.documentai.v1beta3.Processor.State getState();
+
+  /**
+   *
+   *
+   * <pre>
+   * The default processor version.
+   * </pre>
+   *
+   * <code>string default_processor_version = 9;</code>
+   *
+   * @return The defaultProcessorVersion.
+   */
+  java.lang.String getDefaultProcessorVersion();
+  /**
+   *
+   *
+   * <pre>
+   * The default processor version.
+   * </pre>
+   *
+   * <code>string default_processor_version = 9;</code>
+   *
+   * @return The bytes for defaultProcessorVersion.
+   */
+  com.google.protobuf.ByteString getDefaultProcessorVersionBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The http endpoint that can be called to invoke processing.
+   * </pre>
+   *
+   * <code>
+   * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The processEndpoint.
+   */
+  java.lang.String getProcessEndpoint();
+  /**
+   *
+   *
+   * <pre>
+   * Output only. Immutable. The http endpoint that can be called to invoke processing.
+   * </pre>
+   *
+   * <code>
+   * string process_endpoint = 6 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
+   * </code>
+   *
+   * @return The bytes for processEndpoint.
+   */
+  com.google.protobuf.ByteString getProcessEndpointBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The time the processor was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 7;</code>
+   *
+   * @return Whether the createTime field is set.
+   */
+  boolean hasCreateTime();
+  /**
+   *
+   *
+   * <pre>
+   * The time the processor was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 7;</code>
+   *
+   * @return The createTime.
+   */
+  com.google.protobuf.Timestamp getCreateTime();
+  /**
+   *
+   *
+   * <pre>
+   * The time the processor was created.
+   * </pre>
+   *
+   * <code>.google.protobuf.Timestamp create_time = 7;</code>
+   */
+  com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder();
+
+  /**
+   *
+   *
+   * <pre>
+   * The KMS key used for encryption/decryption in CMEK scenarios.
+   * See https://cloud.google.com/security-key-management.
+   * </pre>
+   *
+   * <code>string kms_key_name = 8;</code>
+   *
+   * @return The kmsKeyName.
+   */
+  java.lang.String getKmsKeyName();
+  /**
+   *
+   *
+   * <pre>
+   * The KMS key used for encryption/decryption in CMEK scenarios.
+   * See https://cloud.google.com/security-key-management.
+   * </pre>
+   *
+   * <code>string kms_key_name = 8;</code>
+   *
+   * @return The bytes for kmsKeyName.
+   */
+  com.google.protobuf.ByteString getKmsKeyNameBytes();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorType.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorType.java
new file mode 100644
index 00000000..7c255815
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorType.java
@@ -0,0 +1,2323 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor_type.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+/**
+ *
+ *
+ * <pre>
+ * A processor type is responsible for performing a certain document
+ * understanding task on a certain type of document.
+ * </pre>
+ *
+ * Protobuf type {@code google.cloud.documentai.v1beta3.ProcessorType}
+ */
+public final class ProcessorType extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.ProcessorType)
+    ProcessorTypeOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use ProcessorType.newBuilder() to construct.
+  private ProcessorType(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
+    super(builder);
+  }
+
+  private ProcessorType() {
+    name_ = "";
+    type_ = "";
+    category_ = "";
+    availableLocations_ = java.util.Collections.emptyList();
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    return new ProcessorType();
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private ProcessorType(
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+    this();
+    if (extensionRegistry == null) {
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+            break;
+          case 10:
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+
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+              break;
+            }
+          case 18:
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+
+              type_ = s;
+              break;
+            }
+          case 26:
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+
+              category_ = s;
+              break;
+            }
+          case 34:
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+              break;
+            }
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+      makeExtensionsImmutable();
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+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorType
+        .internal_static_google_cloud_documentai_v1beta3_ProcessorType_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+
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+      // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.ProcessorType.LocationInfo)
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+
+    /**
+     *
+     *
+     * <pre>
+     * The location id.
+     * </pre>
+     *
+     * <code>string location_id = 1;</code>
+     *
+     * @return The locationId.
+     */
+    java.lang.String getLocationId();
+    /**
+     *
+     *
+     * <pre>
+     * The location id.
+     * </pre>
+     *
+     * <code>string location_id = 1;</code>
+     *
+     * @return The bytes for locationId.
+     */
+    com.google.protobuf.ByteString getLocationIdBytes();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The location information about where the processor is available.
+   * </pre>
+   *
+   * Protobuf type {@code google.cloud.documentai.v1beta3.ProcessorType.LocationInfo}
+   */
+  public static final class LocationInfo extends com.google.protobuf.GeneratedMessageV3
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+      // @@protoc_insertion_point(message_implements:google.cloud.documentai.v1beta3.ProcessorType.LocationInfo)
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+    @java.lang.Override
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+    @java.lang.Override
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+    private LocationInfo(
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+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
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+    public Builder newBuilderForType() {
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+    public static Builder newBuilder(
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+    /**
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+     *
+     * <pre>
+     * The location information about where the processor is available.
+     * </pre>
+     *
+     * Protobuf type {@code google.cloud.documentai.v1beta3.ProcessorType.LocationInfo}
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+    public static final class Builder
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+        maybeForceBuilderInitialization();
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+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
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+        result.locationId_ = locationId_;
+        onBuilt();
+        return result;
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+      @java.lang.Override
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+      @java.lang.Override
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+      @java.lang.Override
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+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo parsedMessage = null;
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+       *
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+       * <pre>
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+       * <code>string location_id = 1;</code>
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+       * @param value The locationId to set.
+       * @return This builder for chaining.
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+       *
+       * <pre>
+       * The location id.
+       * </pre>
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+       * @return This builder for chaining.
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+        onChanged();
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+       * <pre>
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+
+    // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.ProcessorType.LocationInfo)
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+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo();
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+
+    public static com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
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+          public LocationInfo parsePartialFrom(
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+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
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+    @java.lang.Override
+    public com.google.protobuf.Parser<LocationInfo> getParserForType() {
+      return PARSER;
+    }
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+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
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+
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+  private volatile java.lang.Object name_;
+  /**
+   *
+   *
+   * <pre>
+   * The resource name of the processor type.
+   * </pre>
+   *
+   * <code>string name = 1;</code>
+   *
+   * @return The name.
+   */
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+  public java.lang.String getName() {
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+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
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+  /**
+   *
+   *
+   * <pre>
+   * The resource name of the processor type.
+   * </pre>
+   *
+   * <code>string name = 1;</code>
+   *
+   * @return The bytes for name.
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+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
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+  }
+
+  public static final int TYPE_FIELD_NUMBER = 2;
+  private volatile java.lang.Object type_;
+  /**
+   *
+   *
+   * <pre>
+   * The type of the processor.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The type.
+   */
+  @java.lang.Override
+  public java.lang.String getType() {
+    java.lang.Object ref = type_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
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+      java.lang.String s = bs.toStringUtf8();
+      type_ = s;
+      return s;
+    }
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The type of the processor.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The bytes for type.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getTypeBytes() {
+    java.lang.Object ref = type_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      type_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CATEGORY_FIELD_NUMBER = 3;
+  private volatile java.lang.Object category_;
+  /**
+   *
+   *
+   * <pre>
+   * The processor category.
+   * </pre>
+   *
+   * <code>string category = 3;</code>
+   *
+   * @return The category.
+   */
+  @java.lang.Override
+  public java.lang.String getCategory() {
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+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
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+      java.lang.String s = bs.toStringUtf8();
+      category_ = s;
+      return s;
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+   *
+   * <pre>
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+   * </pre>
+   *
+   * <code>string category = 3;</code>
+   *
+   * @return The bytes for category.
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+  @java.lang.Override
+  public com.google.protobuf.ByteString getCategoryBytes() {
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+      category_ = b;
+      return b;
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+      return (com.google.protobuf.ByteString) ref;
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+
+  public static final int AVAILABLE_LOCATIONS_FIELD_NUMBER = 4;
+  private java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo>
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+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
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+  @java.lang.Override
+  public java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo>
+      getAvailableLocationsList() {
+    return availableLocations_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
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+  @java.lang.Override
+  public java.util.List<
+          ? extends com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder>
+      getAvailableLocationsOrBuilderList() {
+    return availableLocations_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  @java.lang.Override
+  public int getAvailableLocationsCount() {
+    return availableLocations_.size();
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
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+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo getAvailableLocations(
+      int index) {
+    return availableLocations_.get(index);
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
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+  public static final int ALLOW_CREATION_FIELD_NUMBER = 6;
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+  /**
+   *
+   *
+   * <pre>
+   * Whether the processor type allows creation. If yes, user can create a
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+   * whitelisting.
+   * </pre>
+   *
+   * <code>bool allow_creation = 6;</code>
+   *
+   * @return The allowCreation.
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+  private byte memoizedIsInitialized = -1;
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+    if (!getCategoryBytes().isEmpty()) {
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+    for (int i = 0; i < availableLocations_.size(); i++) {
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+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
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+      return super.equals(obj);
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+    if (!getName().equals(other.getName())) return false;
+    if (!getType().equals(other.getType())) return false;
+    if (!getCategory().equals(other.getCategory())) return false;
+    if (!getAvailableLocationsList().equals(other.getAvailableLocationsList())) return false;
+    if (getAllowCreation() != other.getAllowCreation()) return false;
+    if (!unknownFields.equals(other.unknownFields)) return false;
+    return true;
+  }
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+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
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+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
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+    hash = (53 * hash) + getName().hashCode();
+    hash = (37 * hash) + TYPE_FIELD_NUMBER;
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+    hash = (53 * hash) + getCategory().hashCode();
+    if (getAvailableLocationsCount() > 0) {
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+      name_ = value;
+      onChanged();
+      return this;
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+    /**
+     *
+     *
+     * <pre>
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+     *
+     * <code>string name = 1;</code>
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+     * @return This builder for chaining.
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+    public Builder clearName() {
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+      name_ = getDefaultInstance().getName();
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+      return this;
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+     * <pre>
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+     *
+     * <code>string name = 1;</code>
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+     * @param value The bytes for name to set.
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+      name_ = value;
+      onChanged();
+      return this;
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+
+    private java.lang.Object type_ = "";
+    /**
+     *
+     *
+     * <pre>
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+     *
+     * <code>string type = 2;</code>
+     *
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+        type_ = s;
+        return s;
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+        return (java.lang.String) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The type of the processor.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @return The bytes for type.
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+    public com.google.protobuf.ByteString getTypeBytes() {
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+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
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+        type_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The type of the processor.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @param value The type to set.
+     * @return This builder for chaining.
+     */
+    public Builder setType(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      type_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The type of the processor.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearType() {
+
+      type_ = getDefaultInstance().getType();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The type of the processor.
+     * </pre>
+     *
+     * <code>string type = 2;</code>
+     *
+     * @param value The bytes for type to set.
+     * @return This builder for chaining.
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+    public Builder setTypeBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
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+      checkByteStringIsUtf8(value);
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+      type_ = value;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object category_ = "";
+    /**
+     *
+     *
+     * <pre>
+     * The processor category.
+     * </pre>
+     *
+     * <code>string category = 3;</code>
+     *
+     * @return The category.
+     */
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+        java.lang.String s = bs.toStringUtf8();
+        category_ = s;
+        return s;
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+    }
+    /**
+     *
+     *
+     * <pre>
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+     *
+     * <code>string category = 3;</code>
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+     * @return The bytes for category.
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+      if (ref instanceof String) {
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+        category_ = b;
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+      }
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+    /**
+     *
+     *
+     * <pre>
+     * The processor category.
+     * </pre>
+     *
+     * <code>string category = 3;</code>
+     *
+     * @param value The category to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCategory(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
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+
+      category_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
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+     * </pre>
+     *
+     * <code>string category = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCategory() {
+
+      category_ = getDefaultInstance().getCategory();
+      onChanged();
+      return this;
+    }
+    /**
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+     * <pre>
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+     *
+     * <code>string category = 3;</code>
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+     * @param value The bytes for category to set.
+     * @return This builder for chaining.
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+    public Builder setCategoryBytes(com.google.protobuf.ByteString value) {
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+      checkByteStringIsUtf8(value);
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+      category_ = value;
+      onChanged();
+      return this;
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+    private java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo>
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+    private void ensureAvailableLocationsIsMutable() {
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+        availableLocationsBuilder_;
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+    /**
+     *
+     *
+     * <pre>
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+     *
+     * <code>
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+    /**
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+     * </code>
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+    /**
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+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
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+      } else {
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+    }
+    /**
+     *
+     *
+     * <pre>
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+     * </pre>
+     *
+     * <code>
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+    public Builder setAvailableLocations(
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+      if (availableLocationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
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+        ensureAvailableLocationsIsMutable();
+        availableLocations_.set(index, value);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
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+     *
+     * <code>
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+     * </code>
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+    public Builder setAvailableLocations(
+        int index,
+        com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder builderForValue) {
+      if (availableLocationsBuilder_ == null) {
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        availableLocationsBuilder_.setMessage(index, builderForValue.build());
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+      return this;
+    }
+    /**
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+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder addAvailableLocations(
+        com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo value) {
+      if (availableLocationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.add(value);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder addAvailableLocations(
+        int index, com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo value) {
+      if (availableLocationsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.add(index, value);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder addAvailableLocations(
+        com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder builderForValue) {
+      if (availableLocationsBuilder_ == null) {
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.add(builderForValue.build());
+        onChanged();
+      } else {
+        availableLocationsBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder addAvailableLocations(
+        int index,
+        com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder builderForValue) {
+      if (availableLocationsBuilder_ == null) {
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        availableLocationsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder addAllAvailableLocations(
+        java.lang.Iterable<? extends com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo>
+            values) {
+      if (availableLocationsBuilder_ == null) {
+        ensureAvailableLocationsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, availableLocations_);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder clearAvailableLocations() {
+      if (availableLocationsBuilder_ == null) {
+        availableLocations_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.clear();
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public Builder removeAvailableLocations(int index) {
+      if (availableLocationsBuilder_ == null) {
+        ensureAvailableLocationsIsMutable();
+        availableLocations_.remove(index);
+        onChanged();
+      } else {
+        availableLocationsBuilder_.remove(index);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder
+        getAvailableLocationsBuilder(int index) {
+      return getAvailableLocationsFieldBuilder().getBuilder(index);
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder
+        getAvailableLocationsOrBuilder(int index) {
+      if (availableLocationsBuilder_ == null) {
+        return availableLocations_.get(index);
+      } else {
+        return availableLocationsBuilder_.getMessageOrBuilder(index);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public java.util.List<
+            ? extends com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder>
+        getAvailableLocationsOrBuilderList() {
+      if (availableLocationsBuilder_ != null) {
+        return availableLocationsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(availableLocations_);
+      }
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder
+        addAvailableLocationsBuilder() {
+      return getAvailableLocationsFieldBuilder()
+          .addBuilder(
+              com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder
+        addAvailableLocationsBuilder(int index) {
+      return getAvailableLocationsFieldBuilder()
+          .addBuilder(
+              index,
+              com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The locations in which this processor is available.
+     * </pre>
+     *
+     * <code>
+     * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+     * </code>
+     */
+    public java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder>
+        getAvailableLocationsBuilderList() {
+      return getAvailableLocationsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo,
+            com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder,
+            com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder>
+        getAvailableLocationsFieldBuilder() {
+      if (availableLocationsBuilder_ == null) {
+        availableLocationsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo,
+                com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo.Builder,
+                com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder>(
+                availableLocations_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
+        availableLocations_ = null;
+      }
+      return availableLocationsBuilder_;
+    }
+
+    private boolean allowCreation_;
+    /**
+     *
+     *
+     * <pre>
+     * Whether the processor type allows creation. If yes, user can create a
+     * processor of this processor type. Otherwise, user needs to require for
+     * whitelisting.
+     * </pre>
+     *
+     * <code>bool allow_creation = 6;</code>
+     *
+     * @return The allowCreation.
+     */
+    @java.lang.Override
+    public boolean getAllowCreation() {
+      return allowCreation_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether the processor type allows creation. If yes, user can create a
+     * processor of this processor type. Otherwise, user needs to require for
+     * whitelisting.
+     * </pre>
+     *
+     * <code>bool allow_creation = 6;</code>
+     *
+     * @param value The allowCreation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAllowCreation(boolean value) {
+
+      allowCreation_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether the processor type allows creation. If yes, user can create a
+     * processor of this processor type. Otherwise, user needs to require for
+     * whitelisting.
+     * </pre>
+     *
+     * <code>bool allow_creation = 6;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearAllowCreation() {
+
+      allowCreation_ = false;
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.documentai.v1beta3.ProcessorType)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.documentai.v1beta3.ProcessorType)
+  private static final com.google.cloud.documentai.v1beta3.ProcessorType DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.documentai.v1beta3.ProcessorType();
+  }
+
+  public static com.google.cloud.documentai.v1beta3.ProcessorType getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser<ProcessorType> PARSER =
+      new com.google.protobuf.AbstractParser<ProcessorType>() {
+        @java.lang.Override
+        public ProcessorType parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new ProcessorType(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser<ProcessorType> parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser<ProcessorType> getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ProcessorType getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeName.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeName.java
new file mode 100644
index 00000000..4cea485c
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeName.java
@@ -0,0 +1,227 @@
+/*
+ * Copyright 2021 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.documentai.v1beta3;
+
+import com.google.api.pathtemplate.PathTemplate;
+import com.google.api.resourcenames.ResourceName;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import javax.annotation.Generated;
+
+// AUTO-GENERATED DOCUMENTATION AND CLASS.
+@Generated("by gapic-generator-java")
+public class ProcessorTypeName implements ResourceName {
+  private static final PathTemplate PROJECT_LOCATION_PROCESSOR_TYPE =
+      PathTemplate.createWithoutUrlEncoding(
+          "projects/{project}/locations/{location}/processorTypes/{processor_type}");
+  private volatile Map<String, String> fieldValuesMap;
+  private final String project;
+  private final String location;
+  private final String processorType;
+
+  @Deprecated
+  protected ProcessorTypeName() {
+    project = null;
+    location = null;
+    processorType = null;
+  }
+
+  private ProcessorTypeName(Builder builder) {
+    project = Preconditions.checkNotNull(builder.getProject());
+    location = Preconditions.checkNotNull(builder.getLocation());
+    processorType = Preconditions.checkNotNull(builder.getProcessorType());
+  }
+
+  public String getProject() {
+    return project;
+  }
+
+  public String getLocation() {
+    return location;
+  }
+
+  public String getProcessorType() {
+    return processorType;
+  }
+
+  public static Builder newBuilder() {
+    return new Builder();
+  }
+
+  public Builder toBuilder() {
+    return new Builder(this);
+  }
+
+  public static ProcessorTypeName of(String project, String location, String processorType) {
+    return newBuilder()
+        .setProject(project)
+        .setLocation(location)
+        .setProcessorType(processorType)
+        .build();
+  }
+
+  public static String format(String project, String location, String processorType) {
+    return newBuilder()
+        .setProject(project)
+        .setLocation(location)
+        .setProcessorType(processorType)
+        .build()
+        .toString();
+  }
+
+  public static ProcessorTypeName parse(String formattedString) {
+    if (formattedString.isEmpty()) {
+      return null;
+    }
+    Map<String, String> matchMap =
+        PROJECT_LOCATION_PROCESSOR_TYPE.validatedMatch(
+            formattedString, "ProcessorTypeName.parse: formattedString not in valid format");
+    return of(matchMap.get("project"), matchMap.get("location"), matchMap.get("processor_type"));
+  }
+
+  public static List<ProcessorTypeName> parseList(List<String> formattedStrings) {
+    List<ProcessorTypeName> list = new ArrayList<>(formattedStrings.size());
+    for (String formattedString : formattedStrings) {
+      list.add(parse(formattedString));
+    }
+    return list;
+  }
+
+  public static List<String> toStringList(List<ProcessorTypeName> values) {
+    List<String> list = new ArrayList<>(values.size());
+    for (ProcessorTypeName value : values) {
+      if (value == null) {
+        list.add("");
+      } else {
+        list.add(value.toString());
+      }
+    }
+    return list;
+  }
+
+  public static boolean isParsableFrom(String formattedString) {
+    return PROJECT_LOCATION_PROCESSOR_TYPE.matches(formattedString);
+  }
+
+  @Override
+  public Map<String, String> getFieldValuesMap() {
+    if (fieldValuesMap == null) {
+      synchronized (this) {
+        if (fieldValuesMap == null) {
+          ImmutableMap.Builder<String, String> fieldMapBuilder = ImmutableMap.builder();
+          if (project != null) {
+            fieldMapBuilder.put("project", project);
+          }
+          if (location != null) {
+            fieldMapBuilder.put("location", location);
+          }
+          if (processorType != null) {
+            fieldMapBuilder.put("processor_type", processorType);
+          }
+          fieldValuesMap = fieldMapBuilder.build();
+        }
+      }
+    }
+    return fieldValuesMap;
+  }
+
+  public String getFieldValue(String fieldName) {
+    return getFieldValuesMap().get(fieldName);
+  }
+
+  @Override
+  public String toString() {
+    return PROJECT_LOCATION_PROCESSOR_TYPE.instantiate(
+        "project", project, "location", location, "processor_type", processorType);
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) {
+      return true;
+    }
+    if (o != null || getClass() == o.getClass()) {
+      ProcessorTypeName that = ((ProcessorTypeName) o);
+      return Objects.equals(this.project, that.project)
+          && Objects.equals(this.location, that.location)
+          && Objects.equals(this.processorType, that.processorType);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    int h = 1;
+    h *= 1000003;
+    h ^= Objects.hashCode(project);
+    h *= 1000003;
+    h ^= Objects.hashCode(location);
+    h *= 1000003;
+    h ^= Objects.hashCode(processorType);
+    return h;
+  }
+
+  /** Builder for projects/{project}/locations/{location}/processorTypes/{processor_type}. */
+  public static class Builder {
+    private String project;
+    private String location;
+    private String processorType;
+
+    protected Builder() {}
+
+    public String getProject() {
+      return project;
+    }
+
+    public String getLocation() {
+      return location;
+    }
+
+    public String getProcessorType() {
+      return processorType;
+    }
+
+    public Builder setProject(String project) {
+      this.project = project;
+      return this;
+    }
+
+    public Builder setLocation(String location) {
+      this.location = location;
+      return this;
+    }
+
+    public Builder setProcessorType(String processorType) {
+      this.processorType = processorType;
+      return this;
+    }
+
+    private Builder(ProcessorTypeName processorTypeName) {
+      project = processorTypeName.project;
+      location = processorTypeName.location;
+      processorType = processorTypeName.processorType;
+    }
+
+    public ProcessorTypeName build() {
+      return new ProcessorTypeName(this);
+    }
+  }
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeOrBuilder.java
new file mode 100644
index 00000000..c3b297bb
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessorTypeOrBuilder.java
@@ -0,0 +1,179 @@
+/*
+ * Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/documentai/v1beta3/processor_type.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public interface ProcessorTypeOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta3.ProcessorType)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * <pre>
+   * The resource name of the processor type.
+   * </pre>
+   *
+   * <code>string name = 1;</code>
+   *
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   *
+   *
+   * <pre>
+   * The resource name of the processor type.
+   * </pre>
+   *
+   * <code>string name = 1;</code>
+   *
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString getNameBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The type of the processor.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The type.
+   */
+  java.lang.String getType();
+  /**
+   *
+   *
+   * <pre>
+   * The type of the processor.
+   * </pre>
+   *
+   * <code>string type = 2;</code>
+   *
+   * @return The bytes for type.
+   */
+  com.google.protobuf.ByteString getTypeBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The processor category.
+   * </pre>
+   *
+   * <code>string category = 3;</code>
+   *
+   * @return The category.
+   */
+  java.lang.String getCategory();
+  /**
+   *
+   *
+   * <pre>
+   * The processor category.
+   * </pre>
+   *
+   * <code>string category = 3;</code>
+   *
+   * @return The bytes for category.
+   */
+  com.google.protobuf.ByteString getCategoryBytes();
+
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  java.util.List<com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo>
+      getAvailableLocationsList();
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfo getAvailableLocations(int index);
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  int getAvailableLocationsCount();
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  java.util.List<? extends com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder>
+      getAvailableLocationsOrBuilderList();
+  /**
+   *
+   *
+   * <pre>
+   * The locations in which this processor is available.
+   * </pre>
+   *
+   * <code>
+   * repeated .google.cloud.documentai.v1beta3.ProcessorType.LocationInfo available_locations = 4;
+   * </code>
+   */
+  com.google.cloud.documentai.v1beta3.ProcessorType.LocationInfoOrBuilder
+      getAvailableLocationsOrBuilder(int index);
+
+  /**
+   *
+   *
+   * <pre>
+   * Whether the processor type allows creation. If yes, user can create a
+   * processor of this processor type. Otherwise, user needs to require for
+   * whitelisting.
+   * </pre>
+   *
+   * <code>bool allow_creation = 6;</code>
+   *
+   * @return The allowCreation.
+   */
+  boolean getAllowCreation();
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequest.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequest.java
index 550ee009..abe42238 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequest.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequest.java
@@ -23,6 +23,7 @@
  *
  * <pre>
  * Request message for review document method.
+ * Next Id: 6.
  * </pre>
  *
  * Protobuf type {@code google.cloud.documentai.v1beta3.ReviewDocumentRequest}
@@ -39,6 +40,7 @@ private ReviewDocumentRequest(com.google.protobuf.GeneratedMessageV3.Builder<?>
 
   private ReviewDocumentRequest() {
     humanReviewConfig_ = "";
+    priority_ = 0;
   }
 
   @java.lang.Override
@@ -91,6 +93,11 @@ private ReviewDocumentRequest(
                 document_ = subBuilder.buildPartial();
               }
 
+              break;
+            }
+          case 24:
+            {
+              enableSchemaValidation_ = input.readBool();
               break;
             }
           case 34:
@@ -109,6 +116,13 @@ private ReviewDocumentRequest(
               sourceCase_ = 4;
               break;
             }
+          case 40:
+            {
+              int rawValue = input.readEnum();
+
+              priority_ = rawValue;
+              break;
+            }
           default:
             {
               if (!parseUnknownField(input, unknownFields, extensionRegistry, tag)) {
@@ -143,6 +157,145 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Builder.class);
   }
 
+  /**
+   *
+   *
+   * <pre>
+   * The priority level of the human review task.
+   * </pre>
+   *
+   * Protobuf enum {@code google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority}
+   */
+  public enum Priority implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * <pre>
+     * The default priority level.
+     * </pre>
+     *
+     * <code>DEFAULT = 0;</code>
+     */
+    DEFAULT(0),
+    /**
+     *
+     *
+     * <pre>
+     * The urgent priority level. The labeling manager should allocate labeler
+     * resource to the urgent task queue to respect this priority level.
+     * </pre>
+     *
+     * <code>URGENT = 1;</code>
+     */
+    URGENT(1),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * <pre>
+     * The default priority level.
+     * </pre>
+     *
+     * <code>DEFAULT = 0;</code>
+     */
+    public static final int DEFAULT_VALUE = 0;
+    /**
+     *
+     *
+     * <pre>
+     * The urgent priority level. The labeling manager should allocate labeler
+     * resource to the urgent task queue to respect this priority level.
+     * </pre>
+     *
+     * <code>URGENT = 1;</code>
+     */
+    public static final int URGENT_VALUE = 1;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static Priority valueOf(int value) {
+      return forNumber(value);
+    }
+
+    /**
+     * @param value The numeric wire value of the corresponding enum entry.
+     * @return The enum associated with the given numeric wire value.
+     */
+    public static Priority forNumber(int value) {
+      switch (value) {
+        case 0:
+          return DEFAULT;
+        case 1:
+          return URGENT;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<Priority> internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap<Priority> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap<Priority>() {
+          public Priority findValueByNumber(int number) {
+            return Priority.forNumber(number);
+          }
+        };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalStateException(
+            "Can't get the descriptor of an unrecognized enum value.");
+      }
+      return getDescriptor().getValues().get(ordinal());
+    }
+
+    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      return getDescriptor();
+    }
+
+    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+      return com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final Priority[] VALUES = values();
+
+    public static Priority valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      }
+      if (desc.getIndex() == -1) {
+        return UNRECOGNIZED;
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int value;
+
+    private Priority(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority)
+  }
+
   private int sourceCase_ = 0;
   private java.lang.Object source_;
 
@@ -344,6 +497,62 @@ public com.google.cloud.documentai.v1beta3.DocumentOrBuilder getDocumentOrBuilde
     return getDocument();
   }
 
+  public static final int ENABLE_SCHEMA_VALIDATION_FIELD_NUMBER = 3;
+  private boolean enableSchemaValidation_;
+  /**
+   *
+   *
+   * <pre>
+   * Whether the validation should be performed on the ad-hoc review request.
+   * </pre>
+   *
+   * <code>bool enable_schema_validation = 3;</code>
+   *
+   * @return The enableSchemaValidation.
+   */
+  @java.lang.Override
+  public boolean getEnableSchemaValidation() {
+    return enableSchemaValidation_;
+  }
+
+  public static final int PRIORITY_FIELD_NUMBER = 5;
+  private int priority_;
+  /**
+   *
+   *
+   * <pre>
+   * The priority of the human review task.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+   *
+   * @return The enum numeric value on the wire for priority.
+   */
+  @java.lang.Override
+  public int getPriorityValue() {
+    return priority_;
+  }
+  /**
+   *
+   *
+   * <pre>
+   * The priority of the human review task.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+   *
+   * @return The priority.
+   */
+  @java.lang.Override
+  public com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority getPriority() {
+    @SuppressWarnings("deprecation")
+    com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority result =
+        com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.valueOf(priority_);
+    return result == null
+        ? com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.UNRECOGNIZED
+        : result;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -364,9 +573,16 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (document_ != null) {
       output.writeMessage(2, getDocument());
     }
+    if (enableSchemaValidation_ != false) {
+      output.writeBool(3, enableSchemaValidation_);
+    }
     if (sourceCase_ == 4) {
       output.writeMessage(4, (com.google.cloud.documentai.v1beta3.Document) source_);
     }
+    if (priority_
+        != com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.DEFAULT.getNumber()) {
+      output.writeEnum(5, priority_);
+    }
     unknownFields.writeTo(output);
   }
 
@@ -382,11 +598,18 @@ public int getSerializedSize() {
     if (document_ != null) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDocument());
     }
+    if (enableSchemaValidation_ != false) {
+      size += com.google.protobuf.CodedOutputStream.computeBoolSize(3, enableSchemaValidation_);
+    }
     if (sourceCase_ == 4) {
       size +=
           com.google.protobuf.CodedOutputStream.computeMessageSize(
               4, (com.google.cloud.documentai.v1beta3.Document) source_);
     }
+    if (priority_
+        != com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.DEFAULT.getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, priority_);
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -408,6 +631,8 @@ public boolean equals(final java.lang.Object obj) {
     if (hasDocument()) {
       if (!getDocument().equals(other.getDocument())) return false;
     }
+    if (getEnableSchemaValidation() != other.getEnableSchemaValidation()) return false;
+    if (priority_ != other.priority_) return false;
     if (!getSourceCase().equals(other.getSourceCase())) return false;
     switch (sourceCase_) {
       case 4:
@@ -433,6 +658,10 @@ public int hashCode() {
       hash = (37 * hash) + DOCUMENT_FIELD_NUMBER;
       hash = (53 * hash) + getDocument().hashCode();
     }
+    hash = (37 * hash) + ENABLE_SCHEMA_VALIDATION_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableSchemaValidation());
+    hash = (37 * hash) + PRIORITY_FIELD_NUMBER;
+    hash = (53 * hash) + priority_;
     switch (sourceCase_) {
       case 4:
         hash = (37 * hash) + INLINE_DOCUMENT_FIELD_NUMBER;
@@ -547,6 +776,7 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * <pre>
    * Request message for review document method.
+   * Next Id: 6.
    * </pre>
    *
    * Protobuf type {@code google.cloud.documentai.v1beta3.ReviewDocumentRequest}
@@ -595,6 +825,10 @@ public Builder clear() {
         document_ = null;
         documentBuilder_ = null;
       }
+      enableSchemaValidation_ = false;
+
+      priority_ = 0;
+
       sourceCase_ = 0;
       source_ = null;
       return this;
@@ -637,6 +871,8 @@ public com.google.cloud.documentai.v1beta3.ReviewDocumentRequest buildPartial()
       } else {
         result.document_ = documentBuilder_.build();
       }
+      result.enableSchemaValidation_ = enableSchemaValidation_;
+      result.priority_ = priority_;
       result.sourceCase_ = sourceCase_;
       onBuilt();
       return result;
@@ -695,6 +931,12 @@ public Builder mergeFrom(com.google.cloud.documentai.v1beta3.ReviewDocumentReque
       if (other.hasDocument()) {
         mergeDocument(other.getDocument());
       }
+      if (other.getEnableSchemaValidation() != false) {
+        setEnableSchemaValidation(other.getEnableSchemaValidation());
+      }
+      if (other.priority_ != 0) {
+        setPriorityValue(other.getPriorityValue());
+      }
       switch (other.getSourceCase()) {
         case INLINE_DOCUMENT:
           {
@@ -1274,6 +1516,152 @@ public com.google.cloud.documentai.v1beta3.DocumentOrBuilder getDocumentOrBuilde
       return documentBuilder_;
     }
 
+    private boolean enableSchemaValidation_;
+    /**
+     *
+     *
+     * <pre>
+     * Whether the validation should be performed on the ad-hoc review request.
+     * </pre>
+     *
+     * <code>bool enable_schema_validation = 3;</code>
+     *
+     * @return The enableSchemaValidation.
+     */
+    @java.lang.Override
+    public boolean getEnableSchemaValidation() {
+      return enableSchemaValidation_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether the validation should be performed on the ad-hoc review request.
+     * </pre>
+     *
+     * <code>bool enable_schema_validation = 3;</code>
+     *
+     * @param value The enableSchemaValidation to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnableSchemaValidation(boolean value) {
+
+      enableSchemaValidation_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * Whether the validation should be performed on the ad-hoc review request.
+     * </pre>
+     *
+     * <code>bool enable_schema_validation = 3;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearEnableSchemaValidation() {
+
+      enableSchemaValidation_ = false;
+      onChanged();
+      return this;
+    }
+
+    private int priority_ = 0;
+    /**
+     *
+     *
+     * <pre>
+     * The priority of the human review task.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+     *
+     * @return The enum numeric value on the wire for priority.
+     */
+    @java.lang.Override
+    public int getPriorityValue() {
+      return priority_;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The priority of the human review task.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+     *
+     * @param value The enum numeric value on the wire for priority to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPriorityValue(int value) {
+
+      priority_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The priority of the human review task.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+     *
+     * @return The priority.
+     */
+    @java.lang.Override
+    public com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority getPriority() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority result =
+          com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.valueOf(priority_);
+      return result == null
+          ? com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The priority of the human review task.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+     *
+     * @param value The priority to set.
+     * @return This builder for chaining.
+     */
+    public Builder setPriority(
+        com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      priority_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * <pre>
+     * The priority of the human review task.
+     * </pre>
+     *
+     * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearPriority() {
+
+      priority_ = 0;
+      onChanged();
+      return this;
+    }
+
     @java.lang.Override
     public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequestOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequestOrBuilder.java
index a33ed11f..533595e7 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequestOrBuilder.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ReviewDocumentRequestOrBuilder.java
@@ -127,5 +127,43 @@ public interface ReviewDocumentRequestOrBuilder
   @java.lang.Deprecated
   com.google.cloud.documentai.v1beta3.DocumentOrBuilder getDocumentOrBuilder();
 
+  /**
+   *
+   *
+   * <pre>
+   * Whether the validation should be performed on the ad-hoc review request.
+   * </pre>
+   *
+   * <code>bool enable_schema_validation = 3;</code>
+   *
+   * @return The enableSchemaValidation.
+   */
+  boolean getEnableSchemaValidation();
+
+  /**
+   *
+   *
+   * <pre>
+   * The priority of the human review task.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+   *
+   * @return The enum numeric value on the wire for priority.
+   */
+  int getPriorityValue();
+  /**
+   *
+   *
+   * <pre>
+   * The priority of the human review task.
+   * </pre>
+   *
+   * <code>.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority priority = 5;</code>
+   *
+   * @return The priority.
+   */
+  com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.Priority getPriority();
+
   public com.google.cloud.documentai.v1beta3.ReviewDocumentRequest.SourceCase getSourceCase();
 }
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document.proto
index d461041f..abba3ae1 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document.proto
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document.proto
@@ -324,6 +324,9 @@ message Document {
       // - "unfilled_checkbox"
       // - "filled_checkbox"
       string value_type = 5;
+
+      // The history of this annotation.
+      Provenance provenance = 8;
     }
 
     // Detected language for a structural component.
@@ -385,6 +388,9 @@ message Document {
 
     // A list of visually detected form fields on the page.
     repeated FormField form_fields = 11;
+
+    // The history of this page.
+    Provenance provenance = 16;
   }
 
   // A phrase in the text that is a known entity type, such as a person, an
@@ -536,6 +542,8 @@ message Document {
 
       // Required. Index into the [Document.pages][google.cloud.documentai.v1beta3.Document.pages] element, for example using
       // [Document.pages][page_refs.page] to locate the related page element.
+      // This field is skipped when its value is the default 0. See
+      // https://developers.google.com/protocol-buffers/docs/proto3#json.
       int64 page = 1 [(google.api.field_behavior) = REQUIRED];
 
       // Optional. The type of the layout element that is being referenced if any.
@@ -568,8 +576,12 @@ message Document {
       // The index of the [Document.revisions] identifying the parent revision.
       int32 revision = 1;
 
+      // The index of the parent revisions corresponding collection of items
+      // (eg. list of entities, properties within entities, etc.)
+      int32 index = 3;
+
       // The id of the parent provenance.
-      int32 id = 2;
+      int32 id = 2 [deprecated = true];
     }
 
     // If a processor or agent does an explicit operation on existing elements.
@@ -602,7 +614,7 @@ message Document {
 
     // The Id of this operation.  Needs to be unique within the scope of the
     // revision.
-    int32 id = 2;
+    int32 id = 2 [deprecated = true];
 
     // References to the original elements that are replaced.
     repeated Parent parents = 3;
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto
index e0620e43..e76a0316 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto
@@ -23,6 +23,8 @@ import "google/api/resource.proto";
 import "google/cloud/documentai/v1beta3/document.proto";
 import "google/cloud/documentai/v1beta3/document_io.proto";
 import "google/cloud/documentai/v1beta3/operation_metadata.proto";
+import "google/cloud/documentai/v1beta3/processor.proto";
+import "google/cloud/documentai/v1beta3/processor_type.proto";
 import "google/longrunning/operations.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/timestamp.proto";
@@ -44,10 +46,6 @@ option (google.api.resource_definition) = {
   type: "documentai.googleapis.com/Location"
   pattern: "projects/{project}/locations/{location}"
 };
-option (google.api.resource_definition) = {
-  type: "documentai.googleapis.com/Processor"
-  pattern: "projects/{project}/locations/{location}/processors/{processor}"
-};
 option (google.api.resource_definition) = {
   type: "documentai.googleapis.com/HumanReviewConfig"
   pattern: "projects/{project}/locations/{location}/processors/{processor}/humanReviewConfig"
@@ -84,6 +82,69 @@ service DocumentProcessorService {
     };
   }
 
+  // Fetches processor types.
+  rpc FetchProcessorTypes(FetchProcessorTypesRequest) returns (FetchProcessorTypesResponse) {
+    option (google.api.http) = {
+      get: "/v1beta3/{parent=projects/*/locations/*}:fetchProcessorTypes"
+    };
+    option (google.api.method_signature) = "parent";
+  }
+
+  // Lists all processors which belong to this project.
+  rpc ListProcessors(ListProcessorsRequest) returns (ListProcessorsResponse) {
+    option (google.api.http) = {
+      get: "/v1beta3/{parent=projects/*/locations/*}/processors"
+    };
+    option (google.api.method_signature) = "parent";
+  }
+
+  // Creates a processor from the type processor that the user chose.
+  // The processor will be at "ENABLED" state by default after its creation.
+  rpc CreateProcessor(CreateProcessorRequest) returns (Processor) {
+    option (google.api.http) = {
+      post: "/v1beta3/{parent=projects/*/locations/*}/processors"
+      body: "processor"
+    };
+    option (google.api.method_signature) = "parent,processor";
+  }
+
+  // Deletes the processor, unloads all deployed model artifacts if it was
+  // enabled and then deletes all artifacts associated with this processor.
+  rpc DeleteProcessor(DeleteProcessorRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      delete: "/v1beta3/{name=projects/*/locations/*/processors/*}"
+    };
+    option (google.api.method_signature) = "name";
+    option (google.longrunning.operation_info) = {
+      response_type: "google.protobuf.Empty"
+      metadata_type: "DeleteProcessorMetadata"
+    };
+  }
+
+  // Enables a processor
+  rpc EnableProcessor(EnableProcessorRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v1beta3/{name=projects/*/locations/*/processors/*}:enable"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "EnableProcessorResponse"
+      metadata_type: "EnableProcessorMetadata"
+    };
+  }
+
+  // Disables a processor
+  rpc DisableProcessor(DisableProcessorRequest) returns (google.longrunning.Operation) {
+    option (google.api.http) = {
+      post: "/v1beta3/{name=projects/*/locations/*/processors/*}:disable"
+      body: "*"
+    };
+    option (google.longrunning.operation_info) = {
+      response_type: "DisableProcessorResponse"
+      metadata_type: "DisableProcessorMetadata"
+    };
+  }
+
   // Send a document for Human Review. The input document should be processed by
   // the specified processor.
   rpc ReviewDocument(ReviewDocumentRequest) returns (google.longrunning.Operation) {
@@ -299,8 +360,146 @@ message BatchProcessMetadata {
   repeated IndividualProcessStatus individual_process_statuses = 5;
 }
 
+// Request message for fetch processor types.
+message FetchProcessorTypesRequest {
+  // Required. The project of processor type to list.
+  // Format: projects/{project}/locations/{location}
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "documentai.googleapis.com/ProcessorType"
+    }
+  ];
+}
+
+// Response message for fetch processor types.
+message FetchProcessorTypesResponse {
+  // The list of processor types.
+  repeated ProcessorType processor_types = 1;
+}
+
+// Request message for list all processors belongs to a project.
+message ListProcessorsRequest {
+  // Required. The parent (project and location) which owns this collection of Processors.
+  // Format: projects/{project}/locations/{location}
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "documentai.googleapis.com/Processor"
+    }
+  ];
+
+  // The maximum number of processors to return.
+  // If unspecified, at most 50 processors will be returned.
+  // The maximum value is 100; values above 100 will be coerced to 100.
+  int32 page_size = 2;
+
+  // We will return the processors sorted by creation time. The page token
+  // will point to the next processor.
+  string page_token = 3;
+}
+
+// Response message for list processors.
+message ListProcessorsResponse {
+  // The list of processors.
+  repeated Processor processors = 1;
+
+  // Points to the next processor, otherwise empty.
+  string next_page_token = 2;
+}
+
+// Request message for create a processor. Notice this request is sent to
+// a regionalized backend service, and if the processor type is not available
+// on that region, the creation will fail.
+message CreateProcessorRequest {
+  // Required. The parent (project and location) under which to create the processor.
+  // Format: projects/{project}/locations/{location}
+  string parent = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      child_type: "documentai.googleapis.com/Processor"
+    }
+  ];
+
+  // Required. The processor to be created, requires [processor_type] and [display_name]
+  // to be set. Also, the processor is under CMEK if CMEK fields are set.
+  Processor processor = 2 [(google.api.field_behavior) = REQUIRED];
+}
+
+// Request message for the delete processor method.
+message DeleteProcessorRequest {
+  // Required. The processor resource name to be deleted.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "documentai.googleapis.com/Processor"
+    }
+  ];
+}
+
+// The long running operation metadata for delete processor method.
+message DeleteProcessorMetadata {
+  // The basic metadata of the long running operation.
+  CommonOperationMetadata common_metadata = 5;
+}
+
+// Request message for the enable processor method.
+message EnableProcessorRequest {
+  // Required. The processor resource name to be enabled.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "documentai.googleapis.com/Processor"
+    }
+  ];
+}
+
+// Response message for the enable processor method.
+message EnableProcessorResponse {
+
+}
+
+// The long running operation metadata for enable processor method.
+message EnableProcessorMetadata {
+  // The basic metadata of the long running operation.
+  CommonOperationMetadata common_metadata = 5;
+}
+
+// Request message for the disable processor method.
+message DisableProcessorRequest {
+  // Required. The processor resource name to be disabled.
+  string name = 1 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.resource_reference) = {
+      type: "documentai.googleapis.com/Processor"
+    }
+  ];
+}
+
+// Response message for the disable processor method.
+message DisableProcessorResponse {
+
+}
+
+// The long running operation metadata for disable processor method.
+message DisableProcessorMetadata {
+  // The basic metadata of the long running operation.
+  CommonOperationMetadata common_metadata = 5;
+}
+
 // Request message for review document method.
+// Next Id: 6.
 message ReviewDocumentRequest {
+  // The priority level of the human review task.
+  enum Priority {
+    // The default priority level.
+    DEFAULT = 0;
+
+    // The urgent priority level. The labeling manager should allocate labeler
+    // resource to the urgent task queue to respect this priority level.
+    URGENT = 1;
+  }
+
   // The document payload.
   oneof source {
     // An inline document proto.
@@ -318,6 +517,12 @@ message ReviewDocumentRequest {
 
   // The document that needs human review.
   Document document = 2 [deprecated = true];
+
+  // Whether the validation should be performed on the ad-hoc review request.
+  bool enable_schema_validation = 3;
+
+  // The priority of the human review task.
+  Priority priority = 5;
 }
 
 // Response message for review document method.
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor.proto
new file mode 100644
index 00000000..61cd14a2
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor.proto
@@ -0,0 +1,99 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.documentai.v1beta3;
+
+import "google/api/field_behavior.proto";
+import "google/api/resource.proto";
+import "google/cloud/documentai/v1beta3/document_io.proto";
+import "google/protobuf/timestamp.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Cloud.DocumentAI.V1Beta3";
+option go_package = "google.golang.org/genproto/googleapis/cloud/documentai/v1beta3;documentai";
+option java_multiple_files = true;
+option java_outer_classname = "DocumentAiProcessor";
+option java_package = "com.google.cloud.documentai.v1beta3";
+option php_namespace = "Google\\Cloud\\DocumentAI\\V1beta3";
+option ruby_package = "Google::Cloud::DocumentAI::V1beta3";
+
+// The first-class citizen for DocumentAI. Each processor defines how to extract
+// structural information from a document.
+message Processor {
+  option (google.api.resource) = {
+    type: "documentai.googleapis.com/Processor"
+    pattern: "projects/{project}/locations/{location}/processors/{processor}"
+  };
+
+  // The possible states of the processor.
+  enum State {
+    // The processor is in an unspecified state.
+    STATE_UNSPECIFIED = 0;
+
+    // The processor is enabled.
+    ENABLED = 1;
+
+    // The processor is disabled.
+    DISABLED = 2;
+
+    // The processor is being enabled, will become ENABLED if successful.
+    ENABLING = 3;
+
+    // The processor is being disabled, will become DISABLED if successful.
+    DISABLING = 4;
+
+    // The processor is being created.
+    CREATING = 5;
+
+    // The processor failed during creation.
+    FAILED = 6;
+
+    // The processor is being deleted, will be removed if successful.
+    DELETING = 7;
+  }
+
+  // Output only. Immutable. The resource name of the processor.
+  // Format: projects/{project}/locations/{location}/processors/{processor}
+  string name = 1 [
+    (google.api.field_behavior) = IMMUTABLE,
+    (google.api.field_behavior) = OUTPUT_ONLY
+  ];
+
+  // The processor type.
+  string type = 2;
+
+  // The display name of the processor.
+  string display_name = 3;
+
+  // Output only. The state of the processor.
+  State state = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // The default processor version.
+  string default_processor_version = 9;
+
+  // Output only. Immutable. The http endpoint that can be called to invoke processing.
+  string process_endpoint = 6 [
+    (google.api.field_behavior) = OUTPUT_ONLY,
+    (google.api.field_behavior) = IMMUTABLE
+  ];
+
+  // The time the processor was created.
+  google.protobuf.Timestamp create_time = 7;
+
+  // The KMS key used for encryption/decryption in CMEK scenarios.
+  // See https://cloud.google.com/security-key-management.
+  string kms_key_name = 8;
+}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor_type.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor_type.proto
new file mode 100644
index 00000000..4bd4c16a
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/processor_type.proto
@@ -0,0 +1,60 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.documentai.v1beta3;
+
+import "google/api/resource.proto";
+import "google/api/annotations.proto";
+
+option csharp_namespace = "Google.Cloud.DocumentAI.V1Beta3";
+option go_package = "google.golang.org/genproto/googleapis/cloud/documentai/v1beta3;documentai";
+option java_multiple_files = true;
+option java_outer_classname = "DocumentAiProcessorType";
+option java_package = "com.google.cloud.documentai.v1beta3";
+option php_namespace = "Google\\Cloud\\DocumentAI\\V1beta3";
+option ruby_package = "Google::Cloud::DocumentAI::V1beta3";
+
+// A processor type is responsible for performing a certain document
+// understanding task on a certain type of document.
+message ProcessorType {
+  option (google.api.resource) = {
+    type: "documentai.googleapis.com/ProcessorType"
+    pattern: "projects/{project}/locations/{location}/processorTypes/{processor_type}"
+  };
+
+  // The location information about where the processor is available.
+  message LocationInfo {
+    // The location id.
+    string location_id = 1;
+  }
+
+  // The resource name of the processor type.
+  string name = 1;
+
+  // The type of the processor.
+  string type = 2;
+
+  // The processor category.
+  string category = 3;
+
+  // The locations in which this processor is available.
+  repeated LocationInfo available_locations = 4;
+
+  // Whether the processor type allows creation. If yes, user can create a
+  // processor of this processor type. Otherwise, user needs to require for
+  // whitelisting.
+  bool allow_creation = 6;
+}