feat(generator): update protoc to v3.15.3

proto-google-cloud-document-ai-v1beta1/src/main/java/com/google/cloud/documentai/v1beta1/Document.java

@@ -34360,6 +34360,24 @@ public SourceCase getSourceCase() {
   }
 
   public static final int URI_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * Currently supports Google Cloud Storage URI of the form
+   *    `gs://bucket_name/object_name`. Object versioning is not supported.
+   *    See [Google Cloud Storage Request
+   *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+   *    info.
+   * </pre>
+   *
+   * <code>string uri = 1;</code>
+   *
+   * @return Whether the uri field is set.
+   */
+  public boolean hasUri() {
+    return sourceCase_ == 1;
+  }
   /**
    *
    *
@@ -34424,6 +34442,23 @@ public com.google.protobuf.ByteString getUriBytes() {
   }
 
   public static final int CONTENT_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * Inline document content, represented as a stream of bytes.
+   * Note: As with all `bytes` fields, protobuffers use a pure binary
+   * representation, whereas JSON representations use base64.
+   * </pre>
+   *
+   * <code>bytes content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  @java.lang.Override
+  public boolean hasContent() {
+    return sourceCase_ == 2;
+  }
   /**
    *
    *
@@ -35646,6 +35681,25 @@ public Builder clearSource() {
 
     private int bitField0_;
 
+    /**
+     *
+     *
+     * <pre>
+     * Currently supports Google Cloud Storage URI of the form
+     *    `gs://bucket_name/object_name`. Object versioning is not supported.
+     *    See [Google Cloud Storage Request
+     *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+     *    info.
+     * </pre>
+     *
+     * <code>string uri = 1;</code>
+     *
+     * @return Whether the uri field is set.
+     */
+    @java.lang.Override
+    public boolean hasUri() {
+      return sourceCase_ == 1;
+    }
     /**
      *
      *
@@ -35785,6 +35839,22 @@ public Builder setUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Inline document content, represented as a stream of bytes.
+     * Note: As with all `bytes` fields, protobuffers use a pure binary
+     * representation, whereas JSON representations use base64.
+     * </pre>
+     *
+     * <code>bytes content = 2;</code>
+     *
+     * @return Whether the content field is set.
+     */
+    public boolean hasContent() {
+      return sourceCase_ == 2;
+    }
     /**
      *
      *

proto-google-cloud-document-ai-v1beta1/src/main/java/com/google/cloud/documentai/v1beta1/DocumentOrBuilder.java

@@ -23,6 +23,22 @@ public interface DocumentOrBuilder
     // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta1.Document)
     com.google.protobuf.MessageOrBuilder {
 
+  /**
+   *
+   *
+   * <pre>
+   * Currently supports Google Cloud Storage URI of the form
+   *    `gs://bucket_name/object_name`. Object versioning is not supported.
+   *    See [Google Cloud Storage Request
+   *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+   *    info.
+   * </pre>
+   *
+   * <code>string uri = 1;</code>
+   *
+   * @return Whether the uri field is set.
+   */
+  boolean hasUri();
   /**
    *
    *
@@ -56,6 +72,20 @@ public interface DocumentOrBuilder
    */
   com.google.protobuf.ByteString getUriBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Inline document content, represented as a stream of bytes.
+   * Note: As with all `bytes` fields, protobuffers use a pure binary
+   * representation, whereas JSON representations use base64.
+   * </pre>
+   *
+   * <code>bytes content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  boolean hasContent();
   /**
    *
    *

proto-google-cloud-document-ai-v1beta2/src/main/java/com/google/cloud/documentai/v1beta2/Document.java

@@ -1025,6 +1025,21 @@ public interface LabelOrBuilder
       // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta2.Document.Label)
       com.google.protobuf.MessageOrBuilder {
 
+    /**
+     *
+     *
+     * <pre>
+     * Label is generated AutoML model. This field stores the full resource
+     * name of the AutoML model.
+     * Format:
+     * `projects/{project-id}/locations/{location-id}/models/{model-id}`
+     * </pre>
+     *
+     * <code>string automl_model = 2;</code>
+     *
+     * @return Whether the automlModel field is set.
+     */
+    boolean hasAutomlModel();
     /**
      *
      *
@@ -1253,6 +1268,23 @@ public SourceCase getSourceCase() {
     }
 
     public static final int AUTOML_MODEL_FIELD_NUMBER = 2;
+    /**
+     *
+     *
+     * <pre>
+     * Label is generated AutoML model. This field stores the full resource
+     * name of the AutoML model.
+     * Format:
+     * `projects/{project-id}/locations/{location-id}/models/{model-id}`
+     * </pre>
+     *
+     * <code>string automl_model = 2;</code>
+     *
+     * @return Whether the automlModel field is set.
+     */
+    public boolean hasAutomlModel() {
+      return sourceCase_ == 2;
+    }
     /**
      *
      *
@@ -1781,6 +1813,24 @@ public Builder clearSource() {
         return this;
       }
 
+      /**
+       *
+       *
+       * <pre>
+       * Label is generated AutoML model. This field stores the full resource
+       * name of the AutoML model.
+       * Format:
+       * `projects/{project-id}/locations/{location-id}/models/{model-id}`
+       * </pre>
+       *
+       * <code>string automl_model = 2;</code>
+       *
+       * @return Whether the automlModel field is set.
+       */
+      @java.lang.Override
+      public boolean hasAutomlModel() {
+        return sourceCase_ == 2;
+      }
       /**
        *
        *
@@ -39378,6 +39428,24 @@ public SourceCase getSourceCase() {
   }
 
   public static final int URI_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * Currently supports Google Cloud Storage URI of the form
+   *    `gs://bucket_name/object_name`. Object versioning is not supported.
+   *    See [Google Cloud Storage Request
+   *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+   *    info.
+   * </pre>
+   *
+   * <code>string uri = 1;</code>
+   *
+   * @return Whether the uri field is set.
+   */
+  public boolean hasUri() {
+    return sourceCase_ == 1;
+  }
   /**
    *
    *
@@ -39442,6 +39510,23 @@ public com.google.protobuf.ByteString getUriBytes() {
   }
 
   public static final int CONTENT_FIELD_NUMBER = 2;
+  /**
+   *
+   *
+   * <pre>
+   * Inline document content, represented as a stream of bytes.
+   * Note: As with all `bytes` fields, protobuffers use a pure binary
+   * representation, whereas JSON representations use base64.
+   * </pre>
+   *
+   * <code>bytes content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  @java.lang.Override
+  public boolean hasContent() {
+    return sourceCase_ == 2;
+  }
   /**
    *
    *
@@ -40767,6 +40852,25 @@ public Builder clearSource() {
 
     private int bitField0_;
 
+    /**
+     *
+     *
+     * <pre>
+     * Currently supports Google Cloud Storage URI of the form
+     *    `gs://bucket_name/object_name`. Object versioning is not supported.
+     *    See [Google Cloud Storage Request
+     *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+     *    info.
+     * </pre>
+     *
+     * <code>string uri = 1;</code>
+     *
+     * @return Whether the uri field is set.
+     */
+    @java.lang.Override
+    public boolean hasUri() {
+      return sourceCase_ == 1;
+    }
     /**
      *
      *
@@ -40906,6 +41010,22 @@ public Builder setUriBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * Inline document content, represented as a stream of bytes.
+     * Note: As with all `bytes` fields, protobuffers use a pure binary
+     * representation, whereas JSON representations use base64.
+     * </pre>
+     *
+     * <code>bytes content = 2;</code>
+     *
+     * @return Whether the content field is set.
+     */
+    public boolean hasContent() {
+      return sourceCase_ == 2;
+    }
     /**
      *
      *

proto-google-cloud-document-ai-v1beta2/src/main/java/com/google/cloud/documentai/v1beta2/DocumentOrBuilder.java

@@ -23,6 +23,22 @@ public interface DocumentOrBuilder
     // @@protoc_insertion_point(interface_extends:google.cloud.documentai.v1beta2.Document)
     com.google.protobuf.MessageOrBuilder {
 
+  /**
+   *
+   *
+   * <pre>
+   * Currently supports Google Cloud Storage URI of the form
+   *    `gs://bucket_name/object_name`. Object versioning is not supported.
+   *    See [Google Cloud Storage Request
+   *    URIs](https://cloud.google.com/storage/docs/reference-uris) for more
+   *    info.
+   * </pre>
+   *
+   * <code>string uri = 1;</code>
+   *
+   * @return Whether the uri field is set.
+   */
+  boolean hasUri();
   /**
    *
    *
@@ -56,6 +72,20 @@ public interface DocumentOrBuilder
    */
   com.google.protobuf.ByteString getUriBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * Inline document content, represented as a stream of bytes.
+   * Note: As with all `bytes` fields, protobuffers use a pure binary
+   * representation, whereas JSON representations use base64.
+   * </pre>
+   *
+   * <code>bytes content = 2;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  boolean hasContent();
   /**
    *
    *