diff --git a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClientTest.java b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClientTest.java
index 660082e3..64ee9921 100644
--- a/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClientTest.java
+++ b/google-cloud-document-ai/src/test/java/com/google/cloud/documentai/v1/DocumentProcessorServiceClientTest.java
@@ -43,9 +43,9 @@
 
 @Generated("by gapic-generator-java")
 public class DocumentProcessorServiceClientTest {
+  private static MockDocumentProcessorService mockDocumentProcessorService;
   private static MockServiceHelper mockServiceHelper;
   private DocumentProcessorServiceClient client;
-  private static MockDocumentProcessorService mockDocumentProcessorService;
   private LocalChannelProvider channelProvider;
 
   @BeforeClass
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 29a74a45..0cd6a07d 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
@@ -43,9 +43,9 @@
 
 @Generated("by gapic-generator-java")
 public class DocumentProcessorServiceClientTest {
+  private static MockDocumentProcessorService mockDocumentProcessorService;
   private static MockServiceHelper mockServiceHelper;
   private DocumentProcessorServiceClient client;
-  private static MockDocumentProcessorService mockDocumentProcessorService;
   private LocalChannelProvider channelProvider;
 
   @BeforeClass
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadata.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadata.java
index 227e52b7..bafae7da 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadata.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadata.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+// source: google/cloud/documentai/v1beta3/operation_metadata.proto
 
 package com.google.cloud.documentai.v1beta3;
 
@@ -135,14 +135,14 @@ private CommonOperationMetadata(
   }
 
   public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+    return com.google.cloud.documentai.v1beta3.OperationMetadataProto
         .internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+    return com.google.cloud.documentai.v1beta3.OperationMetadataProto
         .internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.cloud.documentai.v1beta3.CommonOperationMetadata.class,
@@ -768,14 +768,14 @@ public static final class Builder extends com.google.protobuf.GeneratedMessageV3
       // @@protoc_insertion_point(builder_implements:google.cloud.documentai.v1beta3.CommonOperationMetadata)
       com.google.cloud.documentai.v1beta3.CommonOperationMetadataOrBuilder {
     public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+      return com.google.cloud.documentai.v1beta3.OperationMetadataProto
           .internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+      return com.google.cloud.documentai.v1beta3.OperationMetadataProto
           .internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
               com.google.cloud.documentai.v1beta3.CommonOperationMetadata.class,
@@ -820,7 +820,7 @@ public Builder clear() {
 
     @java.lang.Override
     public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.cloud.documentai.v1beta3.DocumentAiProcessorService
+      return com.google.cloud.documentai.v1beta3.OperationMetadataProto
           .internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor;
     }
 
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadataOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadataOrBuilder.java
index c1532539..1bfd2435 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadataOrBuilder.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/CommonOperationMetadataOrBuilder.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/cloud/documentai/v1beta3/document_processor_service.proto
+// source: google/cloud/documentai/v1beta3/operation_metadata.proto
 
 package com.google.cloud.documentai.v1beta3;
 
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 7a732929..1d6d8843 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
@@ -75,10 +75,6 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_documentai_v1beta3_ReviewDocumentOperationMetadata_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_documentai_v1beta3_ReviewDocumentOperationMetadata_fieldAccessorTable;
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable;
 
   public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     return descriptor;
@@ -95,125 +91,118 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "le/api/field_behavior.proto\032\031google/api/"
           + "resource.proto\032.google/cloud/documentai/"
           + "v1beta3/document.proto\0321google/cloud/doc"
-          + "umentai/v1beta3/document_io.proto\032#googl"
-          + "e/longrunning/operations.proto\032 google/p"
-          + "rotobuf/field_mask.proto\032\037google/protobu"
-          + "f/timestamp.proto\032\027google/rpc/status.pro"
-          + "to\"\275\002\n\016ProcessRequest\022D\n\017inline_document"
-          + "\030\004 \001(\0132).google.cloud.documentai.v1beta3"
-          + ".DocumentH\000\022D\n\014raw_document\030\005 \001(\0132,.goog"
-          + "le.cloud.documentai.v1beta3.RawDocumentH"
-          + "\000\0229\n\004name\030\001 \001(\tB+\340A\002\372A%\n#documentai.goog"
-          + "leapis.com/Processor\022?\n\010document\030\002 \001(\0132)"
-          + ".google.cloud.documentai.v1beta3.Documen"
-          + "tB\002\030\001\022\031\n\021skip_human_review\030\003 \001(\010B\010\n\006sour"
-          + "ce\"\363\001\n\021HumanReviewStatus\022G\n\005state\030\001 \001(\0162"
-          + "8.google.cloud.documentai.v1beta3.HumanR"
-          + "eviewStatus.State\022\025\n\rstate_message\030\002 \001(\t"
-          + "\022\036\n\026human_review_operation\030\003 \001(\t\"^\n\005Stat"
-          + "e\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007SKIPPED\020\001\022\025\n"
-          + "\021VALIDATION_PASSED\020\002\022\017\n\013IN_PROGRESS\020\003\022\t\n"
-          + "\005ERROR\020\004\"\303\001\n\017ProcessResponse\022;\n\010document"
-          + "\030\001 \001(\0132).google.cloud.documentai.v1beta3"
-          + ".Document\022\"\n\026human_review_operation\030\002 \001("
-          + "\tB\002\030\001\022O\n\023human_review_status\030\003 \001(\01322.goo"
-          + "gle.cloud.documentai.v1beta3.HumanReview"
-          + "Status\"\315\004\n\023BatchProcessRequest\0229\n\004name\030\001"
-          + " \001(\tB+\340A\002\372A%\n#documentai.googleapis.com/"
-          + "Processor\022`\n\rinput_configs\030\002 \003(\0132E.googl"
-          + "e.cloud.documentai.v1beta3.BatchProcessR"
-          + "equest.BatchInputConfigB\002\030\001\022a\n\routput_co"
-          + "nfig\030\003 \001(\0132F.google.cloud.documentai.v1b"
-          + "eta3.BatchProcessRequest.BatchOutputConf"
-          + "igB\002\030\001\022S\n\017input_documents\030\005 \001(\0132:.google"
-          + ".cloud.documentai.v1beta3.BatchDocuments"
-          + "InputConfig\022U\n\026document_output_config\030\006 "
-          + "\001(\01325.google.cloud.documentai.v1beta3.Do"
-          + "cumentOutputConfig\022\031\n\021skip_human_review\030"
-          + "\004 \001(\010\032=\n\020BatchInputConfig\022\022\n\ngcs_source\030"
-          + "\001 \001(\t\022\021\n\tmime_type\030\002 \001(\t:\002\030\001\0320\n\021BatchOut"
-          + "putConfig\022\027\n\017gcs_destination\030\001 \001(\t:\002\030\001\"\026"
-          + "\n\024BatchProcessResponse\"\262\005\n\024BatchProcessM"
-          + "etadata\022J\n\005state\030\001 \001(\0162;.google.cloud.do"
-          + "cumentai.v1beta3.BatchProcessMetadata.St"
-          + "ate\022\025\n\rstate_message\030\002 \001(\t\022/\n\013create_tim"
-          + "e\030\003 \001(\0132\032.google.protobuf.Timestamp\022/\n\013u"
-          + "pdate_time\030\004 \001(\0132\032.google.protobuf.Times"
-          + "tamp\022r\n\033individual_process_statuses\030\005 \003("
-          + "\0132M.google.cloud.documentai.v1beta3.Batc"
-          + "hProcessMetadata.IndividualProcessStatus"
-          + "\032\354\001\n\027IndividualProcessStatus\022\030\n\020input_gc"
-          + "s_source\030\001 \001(\t\022\"\n\006status\030\002 \001(\0132\022.google."
-          + "rpc.Status\022\036\n\026output_gcs_destination\030\003 \001"
-          + "(\t\022\"\n\026human_review_operation\030\004 \001(\tB\002\030\001\022O"
-          + "\n\023human_review_status\030\005 \001(\01322.google.clo"
-          + "ud.documentai.v1beta3.HumanReviewStatus\""
-          + "r\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007WAITI"
-          + "NG\020\001\022\013\n\007RUNNING\020\002\022\r\n\tSUCCEEDED\020\003\022\016\n\nCANC"
-          + "ELLING\020\004\022\r\n\tCANCELLED\020\005\022\n\n\006FAILED\020\006\"\372\001\n\025"
-          + "ReviewDocumentRequest\022D\n\017inline_document"
-          + "\030\004 \001(\0132).google.cloud.documentai.v1beta3"
-          + ".DocumentH\000\022P\n\023human_review_config\030\001 \001(\t"
-          + "B3\340A\002\372A-\n+documentai.googleapis.com/Huma"
-          + "nReviewConfig\022?\n\010document\030\002 \001(\0132).google"
-          + ".cloud.documentai.v1beta3.DocumentB\002\030\001B\010"
-          + "\n\006source\"1\n\026ReviewDocumentResponse\022\027\n\017gc"
-          + "s_destination\030\001 \001(\t\"\253\003\n\037ReviewDocumentOp"
-          + "erationMetadata\022U\n\005state\030\001 \001(\0162F.google."
-          + "cloud.documentai.v1beta3.ReviewDocumentO"
-          + "perationMetadata.State\022\025\n\rstate_message\030"
-          + "\002 \001(\t\022/\n\013create_time\030\003 \001(\0132\032.google.prot"
-          + "obuf.Timestamp\022/\n\013update_time\030\004 \001(\0132\032.go"
-          + "ogle.protobuf.Timestamp\022Q\n\017common_metada"
-          + "ta\030\005 \001(\01328.google.cloud.documentai.v1bet"
-          + "a3.CommonOperationMetadata\"e\n\005State\022\025\n\021S"
-          + "TATE_UNSPECIFIED\020\000\022\013\n\007RUNNING\020\001\022\016\n\nCANCE"
-          + "LLING\020\002\022\r\n\tSUCCEEDED\020\003\022\n\n\006FAILED\020\004\022\r\n\tCA"
-          + "NCELLED\020\005\"\310\002\n\027CommonOperationMetadata\022M\n"
-          + "\005state\030\001 \001(\0162>.google.cloud.documentai.v"
-          + "1beta3.CommonOperationMetadata.State\022\025\n\r"
-          + "state_message\030\002 \001(\t\022/\n\013create_time\030\003 \001(\013"
-          + "2\032.google.protobuf.Timestamp\022/\n\013update_t"
-          + "ime\030\004 \001(\0132\032.google.protobuf.Timestamp\"e\n"
-          + "\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007RUNNING"
-          + "\020\001\022\016\n\nCANCELLING\020\002\022\r\n\tSUCCEEDED\020\003\022\n\n\006FAI"
-          + "LED\020\004\022\r\n\tCANCELLED\020\0052\317\006\n\030DocumentProcess"
-          + "orService\022\303\001\n\017ProcessDocument\022/.google.c"
-          + "loud.documentai.v1beta3.ProcessRequest\0320"
-          + ".google.cloud.documentai.v1beta3.Process"
-          + "Response\"M\202\323\344\223\002@\";/v1beta3/{name=project"
-          + "s/*/locations/*/processors/*}:process:\001*"
-          + "\332A\004name\022\360\001\n\025BatchProcessDocuments\0224.goog"
-          + "le.cloud.documentai.v1beta3.BatchProcess"
-          + "Request\032\035.google.longrunning.Operation\"\201"
-          + "\001\202\323\344\223\002E\"@/v1beta3/{name=projects/*/locat"
-          + "ions/*/processors/*}:batchProcess:\001*\332A\004n"
-          + "ame\312A,\n\024BatchProcessResponse\022\024BatchProce"
-          + "ssMetadata\022\252\002\n\016ReviewDocument\0226.google.c"
-          + "loud.documentai.v1beta3.ReviewDocumentRe"
-          + "quest\032\035.google.longrunning.Operation\"\300\001\202"
-          + "\323\344\223\002h\"c/v1beta3/{human_review_config=pro"
-          + "jects/*/locations/*/processors/*/humanRe"
-          + "viewConfig}:reviewDocument:\001*\332A\023human_re"
-          + "view_config\312A9\n\026ReviewDocumentResponse\022\037"
-          + "ReviewDocumentOperationMetadata\032M\312A\031docu"
-          + "mentai.googleapis.com\322A.https://www.goog"
-          + "leapis.com/auth/cloud-platformB\261\004\n#com.g"
-          + "oogle.cloud.documentai.v1beta3B\032Document"
-          + "AiProcessorServiceP\001ZIgoogle.golang.org/"
-          + "genproto/googleapis/cloud/documentai/v1b"
-          + "eta3;documentai\252\002\037Google.Cloud.DocumentA"
-          + "I.V1Beta3\312\002\037Google\\Cloud\\DocumentAI\\V1be"
-          + "ta3\352\002\"Google::Cloud::DocumentAI::V1beta3"
-          + "\352AM\n\"documentai.googleapis.com/Location\022"
-          + "\'projects/{project}/locations/{location}"
-          + "\352Ae\n#documentai.googleapis.com/Processor"
-          + "\022>projects/{project}/locations/{location"
-          + "}/processors/{processor}\352A\177\n+documentai."
-          + "googleapis.com/HumanReviewConfig\022Pprojec"
-          + "ts/{project}/locations/{location}/proces"
-          + "sors/{processor}/humanReviewConfigb\006prot"
-          + "o3"
+          + "umentai/v1beta3/document_io.proto\0328googl"
+          + "e/cloud/documentai/v1beta3/operation_met"
+          + "adata.proto\032#google/longrunning/operatio"
+          + "ns.proto\032 google/protobuf/field_mask.pro"
+          + "to\032\037google/protobuf/timestamp.proto\032\027goo"
+          + "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"
+          + "ument\030\005 \001(\0132,.google.cloud.documentai.v1"
+          + "beta3.RawDocumentH\000\0229\n\004name\030\001 \001(\tB+\340A\002\372A"
+          + "%\n#documentai.googleapis.com/Processor\022?"
+          + "\n\010document\030\002 \001(\0132).google.cloud.document"
+          + "ai.v1beta3.DocumentB\002\030\001\022\031\n\021skip_human_re"
+          + "view\030\003 \001(\010B\010\n\006source\"\363\001\n\021HumanReviewStat"
+          + "us\022G\n\005state\030\001 \001(\01628.google.cloud.documen"
+          + "tai.v1beta3.HumanReviewStatus.State\022\025\n\rs"
+          + "tate_message\030\002 \001(\t\022\036\n\026human_review_opera"
+          + "tion\030\003 \001(\t\"^\n\005State\022\025\n\021STATE_UNSPECIFIED"
+          + "\020\000\022\013\n\007SKIPPED\020\001\022\025\n\021VALIDATION_PASSED\020\002\022\017"
+          + "\n\013IN_PROGRESS\020\003\022\t\n\005ERROR\020\004\"\303\001\n\017ProcessRe"
+          + "sponse\022;\n\010document\030\001 \001(\0132).google.cloud."
+          + "documentai.v1beta3.Document\022\"\n\026human_rev"
+          + "iew_operation\030\002 \001(\tB\002\030\001\022O\n\023human_review_"
+          + "status\030\003 \001(\01322.google.cloud.documentai.v"
+          + "1beta3.HumanReviewStatus\"\315\004\n\023BatchProces"
+          + "sRequest\0229\n\004name\030\001 \001(\tB+\340A\002\372A%\n#document"
+          + "ai.googleapis.com/Processor\022`\n\rinput_con"
+          + "figs\030\002 \003(\0132E.google.cloud.documentai.v1b"
+          + "eta3.BatchProcessRequest.BatchInputConfi"
+          + "gB\002\030\001\022a\n\routput_config\030\003 \001(\0132F.google.cl"
+          + "oud.documentai.v1beta3.BatchProcessReque"
+          + "st.BatchOutputConfigB\002\030\001\022S\n\017input_docume"
+          + "nts\030\005 \001(\0132:.google.cloud.documentai.v1be"
+          + "ta3.BatchDocumentsInputConfig\022U\n\026documen"
+          + "t_output_config\030\006 \001(\01325.google.cloud.doc"
+          + "umentai.v1beta3.DocumentOutputConfig\022\031\n\021"
+          + "skip_human_review\030\004 \001(\010\032=\n\020BatchInputCon"
+          + "fig\022\022\n\ngcs_source\030\001 \001(\t\022\021\n\tmime_type\030\002 \001"
+          + "(\t:\002\030\001\0320\n\021BatchOutputConfig\022\027\n\017gcs_desti"
+          + "nation\030\001 \001(\t:\002\030\001\"\026\n\024BatchProcessResponse"
+          + "\"\262\005\n\024BatchProcessMetadata\022J\n\005state\030\001 \001(\016"
+          + "2;.google.cloud.documentai.v1beta3.Batch"
+          + "ProcessMetadata.State\022\025\n\rstate_message\030\002"
+          + " \001(\t\022/\n\013create_time\030\003 \001(\0132\032.google.proto"
+          + "buf.Timestamp\022/\n\013update_time\030\004 \001(\0132\032.goo"
+          + "gle.protobuf.Timestamp\022r\n\033individual_pro"
+          + "cess_statuses\030\005 \003(\0132M.google.cloud.docum"
+          + "entai.v1beta3.BatchProcessMetadata.Indiv"
+          + "idualProcessStatus\032\354\001\n\027IndividualProcess"
+          + "Status\022\030\n\020input_gcs_source\030\001 \001(\t\022\"\n\006stat"
+          + "us\030\002 \001(\0132\022.google.rpc.Status\022\036\n\026output_g"
+          + "cs_destination\030\003 \001(\t\022\"\n\026human_review_ope"
+          + "ration\030\004 \001(\tB\002\030\001\022O\n\023human_review_status\030"
+          + "\005 \001(\01322.google.cloud.documentai.v1beta3."
+          + "HumanReviewStatus\"r\n\005State\022\025\n\021STATE_UNSP"
+          + "ECIFIED\020\000\022\013\n\007WAITING\020\001\022\013\n\007RUNNING\020\002\022\r\n\tS"
+          + "UCCEEDED\020\003\022\016\n\nCANCELLING\020\004\022\r\n\tCANCELLED\020"
+          + "\005\022\n\n\006FAILED\020\006\"\372\001\n\025ReviewDocumentRequest\022"
+          + "D\n\017inline_document\030\004 \001(\0132).google.cloud."
+          + "documentai.v1beta3.DocumentH\000\022P\n\023human_r"
+          + "eview_config\030\001 \001(\tB3\340A\002\372A-\n+documentai.g"
+          + "oogleapis.com/HumanReviewConfig\022?\n\010docum"
+          + "ent\030\002 \001(\0132).google.cloud.documentai.v1be"
+          + "ta3.DocumentB\002\030\001B\010\n\006source\"1\n\026ReviewDocu"
+          + "mentResponse\022\027\n\017gcs_destination\030\001 \001(\t\"\253\003"
+          + "\n\037ReviewDocumentOperationMetadata\022U\n\005sta"
+          + "te\030\001 \001(\0162F.google.cloud.documentai.v1bet"
+          + "a3.ReviewDocumentOperationMetadata.State"
+          + "\022\025\n\rstate_message\030\002 \001(\t\022/\n\013create_time\030\003"
+          + " \001(\0132\032.google.protobuf.Timestamp\022/\n\013upda"
+          + "te_time\030\004 \001(\0132\032.google.protobuf.Timestam"
+          + "p\022Q\n\017common_metadata\030\005 \001(\01328.google.clou"
+          + "d.documentai.v1beta3.CommonOperationMeta"
+          + "data\"e\n\005State\022\025\n\021STATE_UNSPECIFIED\020\000\022\013\n\007"
+          + "RUNNING\020\001\022\016\n\nCANCELLING\020\002\022\r\n\tSUCCEEDED\020\003"
+          + "\022\n\n\006FAILED\020\004\022\r\n\tCANCELLED\020\0052\317\006\n\030Document"
+          + "ProcessorService\022\303\001\n\017ProcessDocument\022/.g"
+          + "oogle.cloud.documentai.v1beta3.ProcessRe"
+          + "quest\0320.google.cloud.documentai.v1beta3."
+          + "ProcessResponse\"M\202\323\344\223\002@\";/v1beta3/{name="
+          + "projects/*/locations/*/processors/*}:pro"
+          + "cess:\001*\332A\004name\022\360\001\n\025BatchProcessDocuments"
+          + "\0224.google.cloud.documentai.v1beta3.Batch"
+          + "ProcessRequest\032\035.google.longrunning.Oper"
+          + "ation\"\201\001\202\323\344\223\002E\"@/v1beta3/{name=projects/"
+          + "*/locations/*/processors/*}:batchProcess"
+          + ":\001*\332A\004name\312A,\n\024BatchProcessResponse\022\024Bat"
+          + "chProcessMetadata\022\252\002\n\016ReviewDocument\0226.g"
+          + "oogle.cloud.documentai.v1beta3.ReviewDoc"
+          + "umentRequest\032\035.google.longrunning.Operat"
+          + "ion\"\300\001\202\323\344\223\002h\"c/v1beta3/{human_review_con"
+          + "fig=projects/*/locations/*/processors/*/"
+          + "humanReviewConfig}:reviewDocument:\001*\332A\023h"
+          + "uman_review_config\312A9\n\026ReviewDocumentRes"
+          + "ponse\022\037ReviewDocumentOperationMetadata\032M"
+          + "\312A\031documentai.googleapis.com\322A.https://w"
+          + "ww.googleapis.com/auth/cloud-platformB\261\004"
+          + "\n#com.google.cloud.documentai.v1beta3B\032D"
+          + "ocumentAiProcessorServiceP\001ZIgoogle.gola"
+          + "ng.org/genproto/googleapis/cloud/documen"
+          + "tai/v1beta3;documentai\252\002\037Google.Cloud.Do"
+          + "cumentAI.V1Beta3\312\002\037Google\\Cloud\\Document"
+          + "AI\\V1beta3\352\002\"Google::Cloud::DocumentAI::"
+          + "V1beta3\352AM\n\"documentai.googleapis.com/Lo"
+          + "cation\022\'projects/{project}/locations/{lo"
+          + "cation}\352Ae\n#documentai.googleapis.com/Pr"
+          + "ocessor\022>projects/{project}/locations/{l"
+          + "ocation}/processors/{processor}\352A\177\n+docu"
+          + "mentai.googleapis.com/HumanReviewConfig\022"
+          + "Pprojects/{project}/locations/{location}"
+          + "/processors/{processor}/humanReviewConfi"
+          + "gb\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -225,6 +214,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               com.google.api.ResourceProto.getDescriptor(),
               com.google.cloud.documentai.v1beta3.DocumentProto.getDescriptor(),
               com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor(),
+              com.google.cloud.documentai.v1beta3.OperationMetadataProto.getDescriptor(),
               com.google.longrunning.OperationsProto.getDescriptor(),
               com.google.protobuf.FieldMaskProto.getDescriptor(),
               com.google.protobuf.TimestampProto.getDescriptor(),
@@ -339,14 +329,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "State", "StateMessage", "CreateTime", "UpdateTime", "CommonMetadata",
             });
-    internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor =
-        getDescriptor().getMessageTypes().get(9);
-    internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor,
-            new java.lang.String[] {
-              "State", "StateMessage", "CreateTime", "UpdateTime",
-            });
     com.google.protobuf.ExtensionRegistry registry =
         com.google.protobuf.ExtensionRegistry.newInstance();
     registry.add(com.google.api.ClientProto.defaultHost);
@@ -365,6 +347,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     com.google.api.ResourceProto.getDescriptor();
     com.google.cloud.documentai.v1beta3.DocumentProto.getDescriptor();
     com.google.cloud.documentai.v1beta3.DocumentIoProto.getDescriptor();
+    com.google.cloud.documentai.v1beta3.OperationMetadataProto.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/NormalizedVertex.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertex.java
index ec08e0c8..b5ce336f 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertex.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertex.java
@@ -138,7 +138,7 @@ public float getX() {
    *
    *
    * <pre>
-   * Y coordinate.
+   * Y coordinate (starts from the top of the image).
    * </pre>
    *
    * <code>float y = 2;</code>
@@ -543,7 +543,7 @@ public Builder clearX() {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>float y = 2;</code>
@@ -558,7 +558,7 @@ public float getY() {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>float y = 2;</code>
@@ -576,7 +576,7 @@ public Builder setY(float value) {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>float y = 2;</code>
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertexOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertexOrBuilder.java
index d0207ed4..ef165ec3 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertexOrBuilder.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertexOrBuilder.java
@@ -40,7 +40,7 @@ public interface NormalizedVertexOrBuilder
    *
    *
    * <pre>
-   * Y coordinate.
+   * Y coordinate (starts from the top of the image).
    * </pre>
    *
    * <code>float y = 2;</code>
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/OperationMetadataProto.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/OperationMetadataProto.java
new file mode 100644
index 00000000..197c4ee8
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/OperationMetadataProto.java
@@ -0,0 +1,83 @@
+/*
+ * 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/operation_metadata.proto
+
+package com.google.cloud.documentai.v1beta3;
+
+public final class OperationMetadataProto {
+  private OperationMetadataProto() {}
+
+  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_CommonOperationMetadata_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
+    return descriptor;
+  }
+
+  private static com.google.protobuf.Descriptors.FileDescriptor descriptor;
+
+  static {
+    java.lang.String[] descriptorData = {
+      "\n8google/cloud/documentai/v1beta3/operat"
+          + "ion_metadata.proto\022\037google.cloud.documen"
+          + "tai.v1beta3\032\037google/protobuf/timestamp.p"
+          + "roto\032\034google/api/annotations.proto\"\310\002\n\027C"
+          + "ommonOperationMetadata\022M\n\005state\030\001 \001(\0162>."
+          + "google.cloud.documentai.v1beta3.CommonOp"
+          + "erationMetadata.State\022\025\n\rstate_message\030\002"
+          + " \001(\t\022/\n\013create_time\030\003 \001(\0132\032.google.proto"
+          + "buf.Timestamp\022/\n\013update_time\030\004 \001(\0132\032.goo"
+          + "gle.protobuf.Timestamp\"e\n\005State\022\025\n\021STATE"
+          + "_UNSPECIFIED\020\000\022\013\n\007RUNNING\020\001\022\016\n\nCANCELLIN"
+          + "G\020\002\022\r\n\tSUCCEEDED\020\003\022\n\n\006FAILED\020\004\022\r\n\tCANCEL"
+          + "LED\020\005B\363\001\n#com.google.cloud.documentai.v1"
+          + "beta3B\026OperationMetadataProtoP\001ZIgoogle."
+          + "golang.org/genproto/googleapis/cloud/doc"
+          + "umentai/v1beta3;documentai\252\002\037Google.Clou"
+          + "d.DocumentAI.V1Beta3\312\002\037Google\\Cloud\\Docu"
+          + "mentAI\\V1beta3\352\002\"Google::Cloud::Document"
+          + "AI::V1beta3b\006proto3"
+    };
+    descriptor =
+        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
+            descriptorData,
+            new com.google.protobuf.Descriptors.FileDescriptor[] {
+              com.google.protobuf.TimestampProto.getDescriptor(),
+              com.google.api.AnnotationsProto.getDescriptor(),
+            });
+    internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor =
+        getDescriptor().getMessageTypes().get(0);
+    internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_documentai_v1beta3_CommonOperationMetadata_descriptor,
+            new java.lang.String[] {
+              "State", "StateMessage", "CreateTime", "UpdateTime",
+            });
+    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/Vertex.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Vertex.java
index 9230e7bf..6d1749e5 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Vertex.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/Vertex.java
@@ -137,7 +137,7 @@ public int getX() {
    *
    *
    * <pre>
-   * Y coordinate.
+   * Y coordinate (starts from the top of the image).
    * </pre>
    *
    * <code>int32 y = 2;</code>
@@ -537,7 +537,7 @@ public Builder clearX() {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>int32 y = 2;</code>
@@ -552,7 +552,7 @@ public int getY() {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>int32 y = 2;</code>
@@ -570,7 +570,7 @@ public Builder setY(int value) {
      *
      *
      * <pre>
-     * Y coordinate.
+     * Y coordinate (starts from the top of the image).
      * </pre>
      *
      * <code>int32 y = 2;</code>
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/VertexOrBuilder.java b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/VertexOrBuilder.java
index 19b9f848..846d9e10 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/VertexOrBuilder.java
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/VertexOrBuilder.java
@@ -40,7 +40,7 @@ public interface VertexOrBuilder
    *
    *
    * <pre>
-   * Y coordinate.
+   * Y coordinate (starts from the top of the image).
    * </pre>
    *
    * <code>int32 y = 2;</code>
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 d69689f7..e0620e43 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
@@ -22,6 +22,7 @@ import "google/api/field_behavior.proto";
 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/longrunning/operations.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/timestamp.proto";
@@ -364,39 +365,3 @@ message ReviewDocumentOperationMetadata {
   // The basic metadata of the long running operation.
   CommonOperationMetadata common_metadata = 5;
 }
-
-// The common metadata for long running operations.
-message CommonOperationMetadata {
-  // State of the longrunning operation.
-  enum State {
-    // Unspecified state.
-    STATE_UNSPECIFIED = 0;
-
-    // Operation is still running.
-    RUNNING = 1;
-
-    // Operation is being cancelled.
-    CANCELLING = 2;
-
-    // Operation succeeded.
-    SUCCEEDED = 3;
-
-    // Operation failed.
-    FAILED = 4;
-
-    // Operation is cancelled.
-    CANCELLED = 5;
-  }
-
-  // The state of the operation.
-  State state = 1;
-
-  // A message providing more details about the current state of processing.
-  string state_message = 2;
-
-  // The creation time of the operation.
-  google.protobuf.Timestamp create_time = 3;
-
-  // The last update time of the operation.
-  google.protobuf.Timestamp update_time = 4;
-}
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/geometry.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/geometry.proto
index 240faf1f..91cd956e 100644
--- a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/geometry.proto
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/geometry.proto
@@ -32,7 +32,7 @@ message Vertex {
   // X coordinate.
   int32 x = 1;
 
-  // Y coordinate.
+  // Y coordinate (starts from the top of the image).
   int32 y = 2;
 }
 
@@ -43,7 +43,7 @@ message NormalizedVertex {
   // X coordinate.
   float x = 1;
 
-  // Y coordinate.
+  // Y coordinate (starts from the top of the image).
   float y = 2;
 }
 
diff --git a/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/operation_metadata.proto b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/operation_metadata.proto
new file mode 100644
index 00000000..1d8624e8
--- /dev/null
+++ b/proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/operation_metadata.proto
@@ -0,0 +1,64 @@
+// 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/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 = "OperationMetadataProto";
+option java_package = "com.google.cloud.documentai.v1beta3";
+option php_namespace = "Google\\Cloud\\DocumentAI\\V1beta3";
+option ruby_package = "Google::Cloud::DocumentAI::V1beta3";
+
+// The common metadata for long running operations.
+message CommonOperationMetadata {
+  // State of the longrunning operation.
+  enum State {
+    // Unspecified state.
+    STATE_UNSPECIFIED = 0;
+
+    // Operation is still running.
+    RUNNING = 1;
+
+    // Operation is being cancelled.
+    CANCELLING = 2;
+
+    // Operation succeeded.
+    SUCCEEDED = 3;
+
+    // Operation failed.
+    FAILED = 4;
+
+    // Operation is cancelled.
+    CANCELLED = 5;
+  }
+
+  // The state of the operation.
+  State state = 1;
+
+  // A message providing more details about the current state of processing.
+  string state_message = 2;
+
+  // The creation time of the operation.
+  google.protobuf.Timestamp create_time = 3;
+
+  // The last update time of the operation.
+  google.protobuf.Timestamp update_time = 4;
+}
diff --git a/synth.metadata b/synth.metadata
index 4951d7f3..24056870 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,39 +4,39 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-document-ai.git",
-        "sha": "5cfb4310fd4bd74672db62521f9c0b7074540578"
+        "sha": "dd8a78652d562c51b6a3b4f5e015f7c8622d6380"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
-        "internalRef": "373516134"
+        "sha": "204809ddb580527550e61a7ca524e837b5a8409d",
+        "internalRef": "377114643"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
-        "internalRef": "373516134"
+        "sha": "204809ddb580527550e61a7ca524e837b5a8409d",
+        "internalRef": "377114643"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
-        "internalRef": "373516134"
+        "sha": "204809ddb580527550e61a7ca524e837b5a8409d",
+        "internalRef": "377114643"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "b29fb6b9fcdf3bc67487fa22ab7783915023041e",
-        "internalRef": "373516134"
+        "sha": "204809ddb580527550e61a7ca524e837b5a8409d",
+        "internalRef": "377114643"
       }
     },
     {
@@ -374,6 +374,7 @@
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/HumanReviewStatusOrBuilder.java",
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertex.java",
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/NormalizedVertexOrBuilder.java",
+    "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/OperationMetadataProto.java",
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessRequest.java",
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessRequestOrBuilder.java",
     "proto-google-cloud-document-ai-v1beta3/src/main/java/com/google/cloud/documentai/v1beta3/ProcessResponse.java",
@@ -393,6 +394,7 @@
     "proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_io.proto",
     "proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/document_processor_service.proto",
     "proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/geometry.proto",
+    "proto-google-cloud-document-ai-v1beta3/src/main/proto/google/cloud/documentai/v1beta3/operation_metadata.proto",
     "renovate.json",
     "samples/install-without-bom/pom.xml",
     "samples/pom.xml",