diff --git a/google-api-grpc/grpc-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceGrpc.java b/google-api-grpc/grpc-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceGrpc.java index 40dbf4f7fc2b..671266d61f3a 100644 --- a/google-api-grpc/grpc-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceGrpc.java +++ b/google-api-grpc/grpc-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceGrpc.java @@ -198,12 +198,14 @@ public void predict( * * * 
-     * Perform a batch prediction. Unlike the online [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
+     * Perform a batch prediction. Unlike the online
+     * [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
      * prediction result won't be immediately available in the response. Instead,
      * a long running operation object is returned. User can poll the operation
      * result via [GetOperation][google.longrunning.Operations.GetOperation]
-     * method. Once the operation is done, [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is returned in
-     * the [response][google.longrunning.Operation.response] field.
+     * method. Once the operation is done,
+     * [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is
+     * returned in the [response][google.longrunning.Operation.response] field.
      * Available for following ML problems:
      * * Image Classification
      * * Image Object Detection
@@ -300,12 +302,14 @@ public void predict(
      *
      *
      * 
-     * Perform a batch prediction. Unlike the online [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
+     * Perform a batch prediction. Unlike the online
+     * [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
      * prediction result won't be immediately available in the response. Instead,
      * a long running operation object is returned. User can poll the operation
      * result via [GetOperation][google.longrunning.Operations.GetOperation]
-     * method. Once the operation is done, [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is returned in
-     * the [response][google.longrunning.Operation.response] field.
+     * method. Once the operation is done,
+     * [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is
+     * returned in the [response][google.longrunning.Operation.response] field.
      * Available for following ML problems:
      * * Image Classification
      * * Image Object Detection
@@ -383,12 +387,14 @@ public com.google.cloud.automl.v1beta1.PredictResponse predict(
      *
      *
      * 
-     * Perform a batch prediction. Unlike the online [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
+     * Perform a batch prediction. Unlike the online
+     * [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
      * prediction result won't be immediately available in the response. Instead,
      * a long running operation object is returned. User can poll the operation
      * result via [GetOperation][google.longrunning.Operations.GetOperation]
-     * method. Once the operation is done, [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is returned in
-     * the [response][google.longrunning.Operation.response] field.
+     * method. Once the operation is done,
+     * [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is
+     * returned in the [response][google.longrunning.Operation.response] field.
      * Available for following ML problems:
      * * Image Classification
      * * Image Object Detection
@@ -464,12 +470,14 @@ protected PredictionServiceFutureStub build(
      *
      *
      * 
-     * Perform a batch prediction. Unlike the online [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
+     * Perform a batch prediction. Unlike the online
+     * [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
      * prediction result won't be immediately available in the response. Instead,
      * a long running operation object is returned. User can poll the operation
      * result via [GetOperation][google.longrunning.Operations.GetOperation]
-     * method. Once the operation is done, [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is returned in
-     * the [response][google.longrunning.Operation.response] field.
+     * method. Once the operation is done,
+     * [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is
+     * returned in the [response][google.longrunning.Operation.response] field.
      * Available for following ML problems:
      * * Image Classification
      * * Image Object Detection
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictRequest.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictRequest.java
index d919f82ac05c..ec179a0113bd 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictRequest.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictRequest.java
@@ -7,7 +7,8 @@
  *
  *
  * 
- * Request message for [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+ * Request message for
+ * [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
  * 

  *
  * Protobuf type {@code google.cloud.automl.v1beta1.BatchPredictRequest}
@@ -793,7 +794,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    *
    * 
-   * Request message for [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+   * Request message for
+   * [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
    * 

    *
    * Protobuf type {@code google.cloud.automl.v1beta1.BatchPredictRequest}
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictResult.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictResult.java
index 87e8a97dbf7a..b3bdcdfda53e 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictResult.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/BatchPredictResult.java
@@ -9,7 +9,8 @@
  * 
  * Result of the Batch Predict. This message is returned in
  * [response][google.longrunning.Operation.response] of the operation returned
- * by the [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+ * by the
+ * [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
  * 

  *
  * Protobuf type {@code google.cloud.automl.v1beta1.BatchPredictResult}
@@ -401,7 +402,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    * 
    * Result of the Batch Predict. This message is returned in
    * [response][google.longrunning.Operation.response] of the operation returned
-   * by the [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+   * by the
+   * [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
    * 

    *
    * Protobuf type {@code google.cloud.automl.v1beta1.BatchPredictResult}
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DataItems.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DataItems.java
index 0990b9dc6177..3098c097cd82 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DataItems.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DataItems.java
@@ -20,10 +20,18 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_automl_v1beta1_TextSnippet_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_automl_v1beta1_TextSnippet_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_automl_v1beta1_DocumentDimensions_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_automl_v1beta1_Document_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internal_static_google_cloud_automl_v1beta1_Document_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor;
+  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_cloud_automl_v1beta1_Document_Layout_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_automl_v1beta1_Row_descriptor;
   static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
@@ -42,31 +50,56 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
   static {
     java.lang.String[] descriptorData = {
       "\n,google/cloud/automl/v1beta1/data_items"
-          + ".proto\022\033google.cloud.automl.v1beta1\032$goo"
-          + "gle/cloud/automl/v1beta1/io.proto\032\031googl"
-          + "e/protobuf/any.proto\032\036google/protobuf/du"
-          + "ration.proto\032\034google/protobuf/struct.pro"
-          + "to\032\034google/api/annotations.proto\"\177\n\005Imag"
-          + "e\022\025\n\013image_bytes\030\001 \001(\014H\000\022@\n\014input_config"
-          + "\030\006 \001(\0132(.google.cloud.automl.v1beta1.Inp"
-          + "utConfigH\000\022\025\n\rthumbnail_uri\030\004 \001(\tB\006\n\004dat"
-          + "a\"F\n\013TextSnippet\022\017\n\007content\030\001 \001(\t\022\021\n\tmim"
-          + "e_type\030\002 \001(\t\022\023\n\013content_uri\030\004 \001(\t\"R\n\010Doc"
-          + "ument\022F\n\014input_config\030\001 \001(\01320.google.clo"
-          + "ud.automl.v1beta1.DocumentInputConfig\"F\n"
-          + "\003Row\022\027\n\017column_spec_ids\030\002 \003(\t\022&\n\006values\030"
-          + "\003 \003(\0132\026.google.protobuf.Value\"\376\001\n\016Exampl"
-          + "ePayload\0223\n\005image\030\001 \001(\0132\".google.cloud.a"
-          + "utoml.v1beta1.ImageH\000\022@\n\014text_snippet\030\002 "
-          + "\001(\0132(.google.cloud.automl.v1beta1.TextSn"
-          + "ippetH\000\0229\n\010document\030\004 \001(\0132%.google.cloud"
-          + ".automl.v1beta1.DocumentH\000\022/\n\003row\030\003 \001(\0132"
-          + " .google.cloud.automl.v1beta1.RowH\000B\t\n\007p"
-          + "ayloadB\245\001\n\037com.google.cloud.automl.v1bet"
-          + "a1P\001ZAgoogle.golang.org/genproto/googlea"
-          + "pis/cloud/automl/v1beta1;automl\312\002\033Google"
-          + "\\Cloud\\AutoMl\\V1beta1\352\002\036Google::Cloud::A"
-          + "utoML::V1beta1b\006proto3"
+          + ".proto\022\033google.cloud.automl.v1beta1\032\034goo"
+          + "gle/api/annotations.proto\032*google/cloud/"
+          + "automl/v1beta1/geometry.proto\032$google/cl"
+          + "oud/automl/v1beta1/io.proto\032.google/clou"
+          + "d/automl/v1beta1/text_segment.proto\032\031goo"
+          + "gle/protobuf/any.proto\032\036google/protobuf/"
+          + "duration.proto\032\034google/protobuf/struct.p"
+          + "roto\"\177\n\005Image\022\025\n\013image_bytes\030\001 \001(\014H\000\022@\n\014"
+          + "input_config\030\006 \001(\0132(.google.cloud.automl"
+          + ".v1beta1.InputConfigH\000\022\025\n\rthumbnail_uri\030"
+          + "\004 \001(\tB\006\n\004data\"F\n\013TextSnippet\022\017\n\007content\030"
+          + "\001 \001(\t\022\021\n\tmime_type\030\002 \001(\t\022\023\n\013content_uri\030"
+          + "\004 \001(\t\"\357\001\n\022DocumentDimensions\022S\n\004unit\030\001 \001"
+          + "(\0162E.google.cloud.automl.v1beta1.Documen"
+          + "tDimensions.DocumentDimensionUnit\022\r\n\005wid"
+          + "th\030\002 \001(\002\022\016\n\006height\030\003 \001(\002\"e\n\025DocumentDime"
+          + "nsionUnit\022\'\n#DOCUMENT_DIMENSION_UNIT_UNS"
+          + "PECIFIED\020\000\022\010\n\004INCH\020\001\022\016\n\nCENTIMETER\020\002\022\t\n\005"
+          + "POINT\020\003\"\371\005\n\010Document\022F\n\014input_config\030\001 \001"
+          + "(\01320.google.cloud.automl.v1beta1.Documen"
+          + "tInputConfig\022?\n\rdocument_text\030\002 \001(\0132(.go"
+          + "ogle.cloud.automl.v1beta1.TextSnippet\022<\n"
+          + "\006layout\030\003 \003(\0132,.google.cloud.automl.v1be"
+          + "ta1.Document.Layout\022L\n\023document_dimensio"
+          + "ns\030\004 \001(\0132/.google.cloud.automl.v1beta1.D"
+          + "ocumentDimensions\022\022\n\npage_count\030\005 \001(\005\032\303\003"
+          + "\n\006Layout\022>\n\014text_segment\030\001 \001(\0132(.google."
+          + "cloud.automl.v1beta1.TextSegment\022\023\n\013page"
+          + "_number\030\002 \001(\005\022@\n\rbounding_poly\030\003 \001(\0132).g"
+          + "oogle.cloud.automl.v1beta1.BoundingPoly\022"
+          + "W\n\021text_segment_type\030\004 \001(\0162<.google.clou"
+          + "d.automl.v1beta1.Document.Layout.TextSeg"
+          + "mentType\"\310\001\n\017TextSegmentType\022!\n\035TEXT_SEG"
+          + "MENT_TYPE_UNSPECIFIED\020\000\022\t\n\005TOKEN\020\001\022\r\n\tPA"
+          + "RAGRAPH\020\002\022\016\n\nFORM_FIELD\020\003\022\023\n\017FORM_FIELD_"
+          + "NAME\020\004\022\027\n\023FORM_FIELD_CONTENTS\020\005\022\t\n\005TABLE"
+          + "\020\006\022\020\n\014TABLE_HEADER\020\007\022\r\n\tTABLE_ROW\020\010\022\016\n\nT"
+          + "ABLE_CELL\020\t\"F\n\003Row\022\027\n\017column_spec_ids\030\002 "
+          + "\003(\t\022&\n\006values\030\003 \003(\0132\026.google.protobuf.Va"
+          + "lue\"\376\001\n\016ExamplePayload\0223\n\005image\030\001 \001(\0132\"."
+          + "google.cloud.automl.v1beta1.ImageH\000\022@\n\014t"
+          + "ext_snippet\030\002 \001(\0132(.google.cloud.automl."
+          + "v1beta1.TextSnippetH\000\0229\n\010document\030\004 \001(\0132"
+          + "%.google.cloud.automl.v1beta1.DocumentH\000"
+          + "\022/\n\003row\030\003 \001(\0132 .google.cloud.automl.v1be"
+          + "ta1.RowH\000B\t\n\007payloadB\245\001\n\037com.google.clou"
+          + "d.automl.v1beta1P\001ZAgoogle.golang.org/ge"
+          + "nproto/googleapis/cloud/automl/v1beta1;a"
+          + "utoml\312\002\033Google\\Cloud\\AutoMl\\V1beta1\352\002\036Go"
+          + "ogle::Cloud::AutoML::V1beta1b\006proto3"
     };
     com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner assigner =
         new com.google.protobuf.Descriptors.FileDescriptor.InternalDescriptorAssigner() {
@@ -79,11 +112,13 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
     com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
         descriptorData,
         new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.api.AnnotationsProto.getDescriptor(),
+          com.google.cloud.automl.v1beta1.Geometry.getDescriptor(),
           com.google.cloud.automl.v1beta1.Io.getDescriptor(),
+          com.google.cloud.automl.v1beta1.TextSegmentProto.getDescriptor(),
           com.google.protobuf.AnyProto.getDescriptor(),
           com.google.protobuf.DurationProto.getDescriptor(),
           com.google.protobuf.StructProto.getDescriptor(),
-          com.google.api.AnnotationsProto.getDescriptor(),
         },
         assigner);
     internal_static_google_cloud_automl_v1beta1_Image_descriptor =
@@ -102,16 +137,32 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
             new java.lang.String[] {
               "Content", "MimeType", "ContentUri",
             });
-    internal_static_google_cloud_automl_v1beta1_Document_descriptor =
+    internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor =
         getDescriptor().getMessageTypes().get(2);
+    internal_static_google_cloud_automl_v1beta1_DocumentDimensions_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor,
+            new java.lang.String[] {
+              "Unit", "Width", "Height",
+            });
+    internal_static_google_cloud_automl_v1beta1_Document_descriptor =
+        getDescriptor().getMessageTypes().get(3);
     internal_static_google_cloud_automl_v1beta1_Document_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_automl_v1beta1_Document_descriptor,
             new java.lang.String[] {
-              "InputConfig",
+              "InputConfig", "DocumentText", "Layout", "DocumentDimensions", "PageCount",
+            });
+    internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor =
+        internal_static_google_cloud_automl_v1beta1_Document_descriptor.getNestedTypes().get(0);
+    internal_static_google_cloud_automl_v1beta1_Document_Layout_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+            internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor,
+            new java.lang.String[] {
+              "TextSegment", "PageNumber", "BoundingPoly", "TextSegmentType",
             });
     internal_static_google_cloud_automl_v1beta1_Row_descriptor =
-        getDescriptor().getMessageTypes().get(3);
+        getDescriptor().getMessageTypes().get(4);
     internal_static_google_cloud_automl_v1beta1_Row_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_automl_v1beta1_Row_descriptor,
@@ -119,18 +170,20 @@ public com.google.protobuf.ExtensionRegistry assignDescriptors(
               "ColumnSpecIds", "Values",
             });
     internal_static_google_cloud_automl_v1beta1_ExamplePayload_descriptor =
-        getDescriptor().getMessageTypes().get(4);
+        getDescriptor().getMessageTypes().get(5);
     internal_static_google_cloud_automl_v1beta1_ExamplePayload_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
             internal_static_google_cloud_automl_v1beta1_ExamplePayload_descriptor,
             new java.lang.String[] {
               "Image", "TextSnippet", "Document", "Row", "Payload",
             });
+    com.google.api.AnnotationsProto.getDescriptor();
+    com.google.cloud.automl.v1beta1.Geometry.getDescriptor();
     com.google.cloud.automl.v1beta1.Io.getDescriptor();
+    com.google.cloud.automl.v1beta1.TextSegmentProto.getDescriptor();
     com.google.protobuf.AnyProto.getDescriptor();
     com.google.protobuf.DurationProto.getDescriptor();
     com.google.protobuf.StructProto.getDescriptor();
-    com.google.api.AnnotationsProto.getDescriptor();
   }
 
   // @@protoc_insertion_point(outer_class_scope)
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/Document.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/Document.java
index 18f3be1c62a6..86ef40f742f5 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/Document.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/Document.java
@@ -22,7 +22,9 @@ private Document(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
 
-  private Document() {}
+  private Document() {
+    layout_ = java.util.Collections.emptyList();
+  }
 
   @java.lang.Override
   public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
@@ -63,6 +65,56 @@ private Document(
                 inputConfig_ = subBuilder.buildPartial();
               }
 
+              break;
+            }
+          case 18:
+            {
+              com.google.cloud.automl.v1beta1.TextSnippet.Builder subBuilder = null;
+              if (documentText_ != null) {
+                subBuilder = documentText_.toBuilder();
+              }
+              documentText_ =
+                  input.readMessage(
+                      com.google.cloud.automl.v1beta1.TextSnippet.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(documentText_);
+                documentText_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 26:
+            {
+              if (!((mutable_bitField0_ & 0x00000004) != 0)) {
+                layout_ =
+                    new java.util.ArrayList();
+                mutable_bitField0_ |= 0x00000004;
+              }
+              layout_.add(
+                  input.readMessage(
+                      com.google.cloud.automl.v1beta1.Document.Layout.parser(), extensionRegistry));
+              break;
+            }
+          case 34:
+            {
+              com.google.cloud.automl.v1beta1.DocumentDimensions.Builder subBuilder = null;
+              if (documentDimensions_ != null) {
+                subBuilder = documentDimensions_.toBuilder();
+              }
+              documentDimensions_ =
+                  input.readMessage(
+                      com.google.cloud.automl.v1beta1.DocumentDimensions.parser(),
+                      extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(documentDimensions_);
+                documentDimensions_ = subBuilder.buildPartial();
+              }
+
+              break;
+            }
+          case 40:
+            {
+              pageCount_ = input.readInt32();
               break;
             }
           default:
@@ -79,6 +131,9 @@ private Document(
     } catch (java.io.IOException e) {
       throw new com.google.protobuf.InvalidProtocolBufferException(e).setUnfinishedMessage(this);
     } finally {
+      if (((mutable_bitField0_ & 0x00000004) != 0)) {
+        layout_ = java.util.Collections.unmodifiableList(layout_);
+      }
       this.unknownFields = unknownFields.build();
       makeExtensionsImmutable();
     }
@@ -99,428 +154,3250 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
             com.google.cloud.automl.v1beta1.Document.Builder.class);
   }
 
-  public static final int INPUT_CONFIG_FIELD_NUMBER = 1;
-  private com.google.cloud.automl.v1beta1.DocumentInputConfig inputConfig_;
-  /**
-   *
-   *
-   * 
-   * An input config specifying the content of the document.
-   * 

-   *
-   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
-   */
-  public boolean hasInputConfig() {
-    return inputConfig_ != null;
-  }
-  /**
-   *
-   *
-   * 
-   * An input config specifying the content of the document.
-   * 

-   *
-   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
-   */
-  public com.google.cloud.automl.v1beta1.DocumentInputConfig getInputConfig() {
-    return inputConfig_ == null
-        ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
-        : inputConfig_;
+  public interface LayoutOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.automl.v1beta1.Document.Layout)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    boolean hasTextSegment();
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    com.google.cloud.automl.v1beta1.TextSegment getTextSegment();
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    com.google.cloud.automl.v1beta1.TextSegmentOrBuilder getTextSegmentOrBuilder();
+
+    /**
+     *
+     *
+     * 
+     * Page number of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the original document, starts from 1.
+     * 

+     *
+     * int32 page_number = 2;
+     */
+    int getPageNumber();
+
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    boolean hasBoundingPoly();
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    com.google.cloud.automl.v1beta1.BoundingPoly getBoundingPoly();
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder getBoundingPolyOrBuilder();
+
+    /**
+     *
+     *
+     * 
+     * The type of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+     * 
+     */
+    int getTextSegmentTypeValue();
+    /**
+     *
+     *
+     * 
+     * The type of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+     * 
+     */
+    com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType getTextSegmentType();
   }
   /**
    *
    *
    * 
-   * An input config specifying the content of the document.
+   * Describes the layout information of a
+   * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment] in
+   * the document.
    * 

    *
-   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+   * Protobuf type {@code google.cloud.automl.v1beta1.Document.Layout}
    */
-  public com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder getInputConfigOrBuilder() {
-    return getInputConfig();
-  }
-
-  private byte memoizedIsInitialized = -1;
-
-  @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
+  public static final class Layout extends com.google.protobuf.GeneratedMessageV3
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.automl.v1beta1.Document.Layout)
+      LayoutOrBuilder {
+    private static final long serialVersionUID = 0L;
+    // Use Layout.newBuilder() to construct.
+    private Layout(com.google.protobuf.GeneratedMessageV3.Builder builder) {
+      super(builder);
+    }
 
-    memoizedIsInitialized = 1;
-    return true;
-  }
+    private Layout() {
+      textSegmentType_ = 0;
+    }
 
-  @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    if (inputConfig_ != null) {
-      output.writeMessage(1, getInputConfig());
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+      return this.unknownFields;
     }
-    unknownFields.writeTo(output);
-  }
 
-  @java.lang.Override
-  public int getSerializedSize() {
-    int size = memoizedSize;
-    if (size != -1) return size;
+    private Layout(
+        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:
+              {
+                com.google.cloud.automl.v1beta1.TextSegment.Builder subBuilder = null;
+                if (textSegment_ != null) {
+                  subBuilder = textSegment_.toBuilder();
+                }
+                textSegment_ =
+                    input.readMessage(
+                        com.google.cloud.automl.v1beta1.TextSegment.parser(), extensionRegistry);
+                if (subBuilder != null) {
+                  subBuilder.mergeFrom(textSegment_);
+                  textSegment_ = subBuilder.buildPartial();
+                }
+
+                break;
+              }
+            case 16:
+              {
+                pageNumber_ = input.readInt32();
+                break;
+              }
+            case 26:
+              {
+                com.google.cloud.automl.v1beta1.BoundingPoly.Builder subBuilder = null;
+                if (boundingPoly_ != null) {
+                  subBuilder = boundingPoly_.toBuilder();
+                }
+                boundingPoly_ =
+                    input.readMessage(
+                        com.google.cloud.automl.v1beta1.BoundingPoly.parser(), extensionRegistry);
+                if (subBuilder != null) {
+                  subBuilder.mergeFrom(boundingPoly_);
+                  boundingPoly_ = subBuilder.buildPartial();
+                }
+
+                break;
+              }
+            case 32:
+              {
+                int rawValue = input.readEnum();
 
-    size = 0;
-    if (inputConfig_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getInputConfig());
+                textSegmentType_ = rawValue;
+                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();
+      }
     }
-    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.automl.v1beta1.Document)) {
-      return super.equals(obj);
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor;
     }
-    com.google.cloud.automl.v1beta1.Document other = (com.google.cloud.automl.v1beta1.Document) obj;
 
-    if (hasInputConfig() != other.hasInputConfig()) return false;
-    if (hasInputConfig()) {
-      if (!getInputConfig().equals(other.getInputConfig())) return false;
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_Document_Layout_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.automl.v1beta1.Document.Layout.class,
+              com.google.cloud.automl.v1beta1.Document.Layout.Builder.class);
     }
-    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 (hasInputConfig()) {
-      hash = (37 * hash) + INPUT_CONFIG_FIELD_NUMBER;
-      hash = (53 * hash) + getInputConfig().hashCode();
-    }
-    hash = (29 * hash) + unknownFields.hashCode();
-    memoizedHashCode = hash;
-    return hash;
-  }
+    /**
+     *
+     *
+     * 
+     * The type of TextSegment in the context of the original document.
+     * 

+     *
+     * Protobuf enum {@code google.cloud.automl.v1beta1.Document.Layout.TextSegmentType}
+     */
+    public enum TextSegmentType implements com.google.protobuf.ProtocolMessageEnum {
+      /**
+       *
+       *
+       * 
+       * Should not be used.
+       * 

+       *
+       * TEXT_SEGMENT_TYPE_UNSPECIFIED = 0;
+       */
+      TEXT_SEGMENT_TYPE_UNSPECIFIED(0),
+      /**
+       *
+       *
+       * 
+       * The text segment is a token. e.g. word.
+       * 

+       *
+       * TOKEN = 1;
+       */
+      TOKEN(1),
+      /**
+       *
+       *
+       * 
+       * The text segment is a paragraph.
+       * 

+       *
+       * PARAGRAPH = 2;
+       */
+      PARAGRAPH(2),
+      /**
+       *
+       *
+       * 
+       * The text segment is a form field.
+       * 

+       *
+       * FORM_FIELD = 3;
+       */
+      FORM_FIELD(3),
+      /**
+       *
+       *
+       * 
+       * The text segment is the name part of a form field. It will be treated
+       * as child of another FORM_FIELD TextSegment if its span is subspan of
+       * another TextSegment with type FORM_FIELD.
+       * 

+       *
+       * FORM_FIELD_NAME = 4;
+       */
+      FORM_FIELD_NAME(4),
+      /**
+       *
+       *
+       * 
+       * The text segment is the text content part of a form field. It will be
+       * treated as child of another FORM_FIELD TextSegment if its span is
+       * subspan of another TextSegment with type FORM_FIELD.
+       * 

+       *
+       * FORM_FIELD_CONTENTS = 5;
+       */
+      FORM_FIELD_CONTENTS(5),
+      /**
+       *
+       *
+       * 
+       * The text segment is a whole table, including headers, and all rows.
+       * 

+       *
+       * TABLE = 6;
+       */
+      TABLE(6),
+      /**
+       *
+       *
+       * 
+       * The text segment is a table's headers. It will be treated as child of
+       * another TABLE TextSegment if its span is subspan of another TextSegment
+       * with type TABLE.
+       * 

+       *
+       * TABLE_HEADER = 7;
+       */
+      TABLE_HEADER(7),
+      /**
+       *
+       *
+       * 
+       * The text segment is a row in table. It will be treated as child of
+       * another TABLE TextSegment if its span is subspan of another TextSegment
+       * with type TABLE.
+       * 

+       *
+       * TABLE_ROW = 8;
+       */
+      TABLE_ROW(8),
+      /**
+       *
+       *
+       * 
+       * The text segment is a cell in table. It will be treated as child of
+       * another TABLE_ROW TextSegment if its span is subspan of another
+       * TextSegment with type TABLE_ROW.
+       * 

+       *
+       * TABLE_CELL = 9;
+       */
+      TABLE_CELL(9),
+      UNRECOGNIZED(-1),
+      ;
+
+      /**
+       *
+       *
+       * 
+       * Should not be used.
+       * 

+       *
+       * TEXT_SEGMENT_TYPE_UNSPECIFIED = 0;
+       */
+      public static final int TEXT_SEGMENT_TYPE_UNSPECIFIED_VALUE = 0;
+      /**
+       *
+       *
+       * 
+       * The text segment is a token. e.g. word.
+       * 

+       *
+       * TOKEN = 1;
+       */
+      public static final int TOKEN_VALUE = 1;
+      /**
+       *
+       *
+       * 
+       * The text segment is a paragraph.
+       * 

+       *
+       * PARAGRAPH = 2;
+       */
+      public static final int PARAGRAPH_VALUE = 2;
+      /**
+       *
+       *
+       * 
+       * The text segment is a form field.
+       * 

+       *
+       * FORM_FIELD = 3;
+       */
+      public static final int FORM_FIELD_VALUE = 3;
+      /**
+       *
+       *
+       * 
+       * The text segment is the name part of a form field. It will be treated
+       * as child of another FORM_FIELD TextSegment if its span is subspan of
+       * another TextSegment with type FORM_FIELD.
+       * 

+       *
+       * FORM_FIELD_NAME = 4;
+       */
+      public static final int FORM_FIELD_NAME_VALUE = 4;
+      /**
+       *
+       *
+       * 
+       * The text segment is the text content part of a form field. It will be
+       * treated as child of another FORM_FIELD TextSegment if its span is
+       * subspan of another TextSegment with type FORM_FIELD.
+       * 

+       *
+       * FORM_FIELD_CONTENTS = 5;
+       */
+      public static final int FORM_FIELD_CONTENTS_VALUE = 5;
+      /**
+       *
+       *
+       * 
+       * The text segment is a whole table, including headers, and all rows.
+       * 

+       *
+       * TABLE = 6;
+       */
+      public static final int TABLE_VALUE = 6;
+      /**
+       *
+       *
+       * 
+       * The text segment is a table's headers. It will be treated as child of
+       * another TABLE TextSegment if its span is subspan of another TextSegment
+       * with type TABLE.
+       * 

+       *
+       * TABLE_HEADER = 7;
+       */
+      public static final int TABLE_HEADER_VALUE = 7;
+      /**
+       *
+       *
+       * 
+       * The text segment is a row in table. It will be treated as child of
+       * another TABLE TextSegment if its span is subspan of another TextSegment
+       * with type TABLE.
+       * 

+       *
+       * TABLE_ROW = 8;
+       */
+      public static final int TABLE_ROW_VALUE = 8;
+      /**
+       *
+       *
+       * 
+       * The text segment is a cell in table. It will be treated as child of
+       * another TABLE_ROW TextSegment if its span is subspan of another
+       * TextSegment with type TABLE_ROW.
+       * 

+       *
+       * TABLE_CELL = 9;
+       */
+      public static final int TABLE_CELL_VALUE = 9;
+
+      public final int getNumber() {
+        if (this == UNRECOGNIZED) {
+          throw new java.lang.IllegalArgumentException(
+              "Can't get the number of an unknown enum value.");
+        }
+        return value;
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(java.nio.ByteBuffer data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      /** @deprecated Use {@link #forNumber(int)} instead. */
+      @java.lang.Deprecated
+      public static TextSegmentType valueOf(int value) {
+        return forNumber(value);
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      public static TextSegmentType forNumber(int value) {
+        switch (value) {
+          case 0:
+            return TEXT_SEGMENT_TYPE_UNSPECIFIED;
+          case 1:
+            return TOKEN;
+          case 2:
+            return PARAGRAPH;
+          case 3:
+            return FORM_FIELD;
+          case 4:
+            return FORM_FIELD_NAME;
+          case 5:
+            return FORM_FIELD_CONTENTS;
+          case 6:
+            return TABLE;
+          case 7:
+            return TABLE_HEADER;
+          case 8:
+            return TABLE_ROW;
+          case 9:
+            return TABLE_CELL;
+          default:
+            return null;
+        }
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      com.google.protobuf.ByteString data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      public static com.google.protobuf.Internal.EnumLiteMap
+          internalGetValueMap() {
+        return internalValueMap;
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      com.google.protobuf.ByteString data,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      private static final com.google.protobuf.Internal.EnumLiteMap
+          internalValueMap =
+              new com.google.protobuf.Internal.EnumLiteMap() {
+                public TextSegmentType findValueByNumber(int number) {
+                  return TextSegmentType.forNumber(number);
+                }
+              };
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(byte[] data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+        return getDescriptor().getValues().get(ordinal());
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
+      public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+        return getDescriptor();
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
-
-  public static com.google.cloud.automl.v1beta1.Document 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 final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+        return com.google.cloud.automl.v1beta1.Document.Layout.getDescriptor()
+            .getEnumTypes()
+            .get(0);
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-  }
+      private static final TextSegmentType[] VALUES = values();
 
-  public static com.google.cloud.automl.v1beta1.Document 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 TextSegmentType 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()];
+      }
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
+      private final int value;
 
-  public static com.google.cloud.automl.v1beta1.Document parseFrom(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
+      private TextSegmentType(int value) {
+        this.value = value;
+      }
 
-  @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
+      // @@protoc_insertion_point(enum_scope:google.cloud.automl.v1beta1.Document.Layout.TextSegmentType)
+    }
 
-  public static Builder newBuilder() {
-    return DEFAULT_INSTANCE.toBuilder();
-  }
+    public static final int TEXT_SEGMENT_FIELD_NUMBER = 1;
+    private com.google.cloud.automl.v1beta1.TextSegment textSegment_;
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    public boolean hasTextSegment() {
+      return textSegment_ != null;
+    }
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    public com.google.cloud.automl.v1beta1.TextSegment getTextSegment() {
+      return textSegment_ == null
+          ? com.google.cloud.automl.v1beta1.TextSegment.getDefaultInstance()
+          : textSegment_;
+    }
+    /**
+     *
+     *
+     * 
+     * Text Segment that represents a segment in
+     * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+     */
+    public com.google.cloud.automl.v1beta1.TextSegmentOrBuilder getTextSegmentOrBuilder() {
+      return getTextSegment();
+    }
 
-  public static Builder newBuilder(com.google.cloud.automl.v1beta1.Document prototype) {
-    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-  }
+    public static final int PAGE_NUMBER_FIELD_NUMBER = 2;
+    private int pageNumber_;
+    /**
+     *
+     *
+     * 
+     * Page number of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the original document, starts from 1.
+     * 

+     *
+     * int32 page_number = 2;
+     */
+    public int getPageNumber() {
+      return pageNumber_;
+    }
 
-  @java.lang.Override
-  public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
-  }
+    public static final int BOUNDING_POLY_FIELD_NUMBER = 3;
+    private com.google.cloud.automl.v1beta1.BoundingPoly boundingPoly_;
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    public boolean hasBoundingPoly() {
+      return boundingPoly_ != null;
+    }
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    public com.google.cloud.automl.v1beta1.BoundingPoly getBoundingPoly() {
+      return boundingPoly_ == null
+          ? com.google.cloud.automl.v1beta1.BoundingPoly.getDefaultInstance()
+          : boundingPoly_;
+    }
+    /**
+     *
+     *
+     * 
+     * The position of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in the page. Contains exactly 4
+     * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+     * and they are connected by edges in the order provided, which will
+     * represent a rectangle parallel to the frame. The
+     * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+     * relative to the page.
+     * Coordinates are based on top-left as point (0,0).
+     * 

+     *
+     * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+     */
+    public com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder getBoundingPolyOrBuilder() {
+      return getBoundingPoly();
+    }
 
-  @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-    Builder builder = new Builder(parent);
-    return builder;
-  }
-  /**
-   *
-   *
-   * 
-   * A structured text document e.g. a PDF.
-   * 

-   *
-   * Protobuf type {@code google.cloud.automl.v1beta1.Document}
-   */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
-      // @@protoc_insertion_point(builder_implements:google.cloud.automl.v1beta1.Document)
-      com.google.cloud.automl.v1beta1.DocumentOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.cloud.automl.v1beta1.DataItems
-          .internal_static_google_cloud_automl_v1beta1_Document_descriptor;
+    public static final int TEXT_SEGMENT_TYPE_FIELD_NUMBER = 4;
+    private int textSegmentType_;
+    /**
+     *
+     *
+     * 
+     * The type of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+     * 
+     */
+    public int getTextSegmentTypeValue() {
+      return textSegmentType_;
+    }
+    /**
+     *
+     *
+     * 
+     * The type of the
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+     * in document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+     * 
+     */
+    public com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType getTextSegmentType() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType result =
+          com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType.valueOf(textSegmentType_);
+      return result == null
+          ? com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType.UNRECOGNIZED
+          : result;
     }
 
+    private byte memoizedIsInitialized = -1;
+
     @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.cloud.automl.v1beta1.DataItems
-          .internal_static_google_cloud_automl_v1beta1_Document_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.cloud.automl.v1beta1.Document.class,
-              com.google.cloud.automl.v1beta1.Document.Builder.class);
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
     }
 
-    // Construct using com.google.cloud.automl.v1beta1.Document.newBuilder()
-    private Builder() {
-      maybeForceBuilderInitialization();
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (textSegment_ != null) {
+        output.writeMessage(1, getTextSegment());
+      }
+      if (pageNumber_ != 0) {
+        output.writeInt32(2, pageNumber_);
+      }
+      if (boundingPoly_ != null) {
+        output.writeMessage(3, getBoundingPoly());
+      }
+      if (textSegmentType_
+          != com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType
+              .TEXT_SEGMENT_TYPE_UNSPECIFIED
+              .getNumber()) {
+        output.writeEnum(4, textSegmentType_);
+      }
+      unknownFields.writeTo(output);
     }
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
-      maybeForceBuilderInitialization();
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (textSegment_ != null) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getTextSegment());
+      }
+      if (pageNumber_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageNumber_);
+      }
+      if (boundingPoly_ != null) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getBoundingPoly());
+      }
+      if (textSegmentType_
+          != com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType
+              .TEXT_SEGMENT_TYPE_UNSPECIFIED
+              .getNumber()) {
+        size += com.google.protobuf.CodedOutputStream.computeEnumSize(4, textSegmentType_);
+      }
+      size += unknownFields.getSerializedSize();
+      memoizedSize = size;
+      return size;
     }
 
-    private void maybeForceBuilderInitialization() {
-      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {}
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.automl.v1beta1.Document.Layout)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.automl.v1beta1.Document.Layout other =
+          (com.google.cloud.automl.v1beta1.Document.Layout) obj;
+
+      if (hasTextSegment() != other.hasTextSegment()) return false;
+      if (hasTextSegment()) {
+        if (!getTextSegment().equals(other.getTextSegment())) return false;
+      }
+      if (getPageNumber() != other.getPageNumber()) return false;
+      if (hasBoundingPoly() != other.hasBoundingPoly()) return false;
+      if (hasBoundingPoly()) {
+        if (!getBoundingPoly().equals(other.getBoundingPoly())) return false;
+      }
+      if (textSegmentType_ != other.textSegmentType_) return false;
+      if (!unknownFields.equals(other.unknownFields)) return false;
+      return true;
     }
 
     @java.lang.Override
-    public Builder clear() {
-      super.clear();
-      if (inputConfigBuilder_ == null) {
-        inputConfig_ = null;
-      } else {
-        inputConfig_ = null;
-        inputConfigBuilder_ = null;
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
       }
-      return this;
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (hasTextSegment()) {
+        hash = (37 * hash) + TEXT_SEGMENT_FIELD_NUMBER;
+        hash = (53 * hash) + getTextSegment().hashCode();
+      }
+      hash = (37 * hash) + PAGE_NUMBER_FIELD_NUMBER;
+      hash = (53 * hash) + getPageNumber();
+      if (hasBoundingPoly()) {
+        hash = (37 * hash) + BOUNDING_POLY_FIELD_NUMBER;
+        hash = (53 * hash) + getBoundingPoly().hashCode();
+      }
+      hash = (37 * hash) + TEXT_SEGMENT_TYPE_FIELD_NUMBER;
+      hash = (53 * hash) + textSegmentType_;
+      hash = (29 * hash) + unknownFields.hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout 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.automl.v1beta1.Document.Layout parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout 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.automl.v1beta1.Document.Layout parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout 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.automl.v1beta1.Document.Layout parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout 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.automl.v1beta1.Document.Layout parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout 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 com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.cloud.automl.v1beta1.DataItems
-          .internal_static_google_cloud_automl_v1beta1_Document_descriptor;
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(com.google.cloud.automl.v1beta1.Document.Layout prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
 
     @java.lang.Override
-    public com.google.cloud.automl.v1beta1.Document getDefaultInstanceForType() {
-      return com.google.cloud.automl.v1beta1.Document.getDefaultInstance();
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
-    public com.google.cloud.automl.v1beta1.Document build() {
-      com.google.cloud.automl.v1beta1.Document result = buildPartial();
-      if (!result.isInitialized()) {
-        throw newUninitializedMessageException(result);
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout information of a
+     * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment] in
+     * the document.
+     * 

+     *
+     * Protobuf type {@code google.cloud.automl.v1beta1.Document.Layout}
+     */
+    public static final class Builder
+        extends com.google.protobuf.GeneratedMessageV3.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.automl.v1beta1.Document.Layout)
+        com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.automl.v1beta1.DataItems
+            .internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.automl.v1beta1.DataItems
+            .internal_static_google_cloud_automl_v1beta1_Document_Layout_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.automl.v1beta1.Document.Layout.class,
+                com.google.cloud.automl.v1beta1.Document.Layout.Builder.class);
+      }
+
+      // Construct using com.google.cloud.automl.v1beta1.Document.Layout.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();
+        if (textSegmentBuilder_ == null) {
+          textSegment_ = null;
+        } else {
+          textSegment_ = null;
+          textSegmentBuilder_ = null;
+        }
+        pageNumber_ = 0;
+
+        if (boundingPolyBuilder_ == null) {
+          boundingPoly_ = null;
+        } else {
+          boundingPoly_ = null;
+          boundingPolyBuilder_ = null;
+        }
+        textSegmentType_ = 0;
+
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.automl.v1beta1.DataItems
+            .internal_static_google_cloud_automl_v1beta1_Document_Layout_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.automl.v1beta1.Document.Layout getDefaultInstanceForType() {
+        return com.google.cloud.automl.v1beta1.Document.Layout.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.automl.v1beta1.Document.Layout build() {
+        com.google.cloud.automl.v1beta1.Document.Layout result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.automl.v1beta1.Document.Layout buildPartial() {
+        com.google.cloud.automl.v1beta1.Document.Layout result =
+            new com.google.cloud.automl.v1beta1.Document.Layout(this);
+        if (textSegmentBuilder_ == null) {
+          result.textSegment_ = textSegment_;
+        } else {
+          result.textSegment_ = textSegmentBuilder_.build();
+        }
+        result.pageNumber_ = pageNumber_;
+        if (boundingPolyBuilder_ == null) {
+          result.boundingPoly_ = boundingPoly_;
+        } else {
+          result.boundingPoly_ = boundingPolyBuilder_.build();
+        }
+        result.textSegmentType_ = textSegmentType_;
+        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.automl.v1beta1.Document.Layout) {
+          return mergeFrom((com.google.cloud.automl.v1beta1.Document.Layout) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.automl.v1beta1.Document.Layout other) {
+        if (other == com.google.cloud.automl.v1beta1.Document.Layout.getDefaultInstance())
+          return this;
+        if (other.hasTextSegment()) {
+          mergeTextSegment(other.getTextSegment());
+        }
+        if (other.getPageNumber() != 0) {
+          setPageNumber(other.getPageNumber());
+        }
+        if (other.hasBoundingPoly()) {
+          mergeBoundingPoly(other.getBoundingPoly());
+        }
+        if (other.textSegmentType_ != 0) {
+          setTextSegmentTypeValue(other.getTextSegmentTypeValue());
+        }
+        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.automl.v1beta1.Document.Layout parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage =
+              (com.google.cloud.automl.v1beta1.Document.Layout) e.getUnfinishedMessage();
+          throw e.unwrapIOException();
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+
+      private com.google.cloud.automl.v1beta1.TextSegment textSegment_;
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.automl.v1beta1.TextSegment,
+              com.google.cloud.automl.v1beta1.TextSegment.Builder,
+              com.google.cloud.automl.v1beta1.TextSegmentOrBuilder>
+          textSegmentBuilder_;
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public boolean hasTextSegment() {
+        return textSegmentBuilder_ != null || textSegment_ != null;
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public com.google.cloud.automl.v1beta1.TextSegment getTextSegment() {
+        if (textSegmentBuilder_ == null) {
+          return textSegment_ == null
+              ? com.google.cloud.automl.v1beta1.TextSegment.getDefaultInstance()
+              : textSegment_;
+        } else {
+          return textSegmentBuilder_.getMessage();
+        }
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public Builder setTextSegment(com.google.cloud.automl.v1beta1.TextSegment value) {
+        if (textSegmentBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          textSegment_ = value;
+          onChanged();
+        } else {
+          textSegmentBuilder_.setMessage(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public Builder setTextSegment(
+          com.google.cloud.automl.v1beta1.TextSegment.Builder builderForValue) {
+        if (textSegmentBuilder_ == null) {
+          textSegment_ = builderForValue.build();
+          onChanged();
+        } else {
+          textSegmentBuilder_.setMessage(builderForValue.build());
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public Builder mergeTextSegment(com.google.cloud.automl.v1beta1.TextSegment value) {
+        if (textSegmentBuilder_ == null) {
+          if (textSegment_ != null) {
+            textSegment_ =
+                com.google.cloud.automl.v1beta1.TextSegment.newBuilder(textSegment_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            textSegment_ = value;
+          }
+          onChanged();
+        } else {
+          textSegmentBuilder_.mergeFrom(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public Builder clearTextSegment() {
+        if (textSegmentBuilder_ == null) {
+          textSegment_ = null;
+          onChanged();
+        } else {
+          textSegment_ = null;
+          textSegmentBuilder_ = null;
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public com.google.cloud.automl.v1beta1.TextSegment.Builder getTextSegmentBuilder() {
+
+        onChanged();
+        return getTextSegmentFieldBuilder().getBuilder();
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      public com.google.cloud.automl.v1beta1.TextSegmentOrBuilder getTextSegmentOrBuilder() {
+        if (textSegmentBuilder_ != null) {
+          return textSegmentBuilder_.getMessageOrBuilder();
+        } else {
+          return textSegment_ == null
+              ? com.google.cloud.automl.v1beta1.TextSegment.getDefaultInstance()
+              : textSegment_;
+        }
+      }
+      /**
+       *
+       *
+       * 
+       * Text Segment that represents a segment in
+       * [document_text][google.cloud.automl.v1beta1.Document.document_text].
+       * 

+       *
+       * .google.cloud.automl.v1beta1.TextSegment text_segment = 1;
+       */
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.automl.v1beta1.TextSegment,
+              com.google.cloud.automl.v1beta1.TextSegment.Builder,
+              com.google.cloud.automl.v1beta1.TextSegmentOrBuilder>
+          getTextSegmentFieldBuilder() {
+        if (textSegmentBuilder_ == null) {
+          textSegmentBuilder_ =
+              new com.google.protobuf.SingleFieldBuilderV3<
+                  com.google.cloud.automl.v1beta1.TextSegment,
+                  com.google.cloud.automl.v1beta1.TextSegment.Builder,
+                  com.google.cloud.automl.v1beta1.TextSegmentOrBuilder>(
+                  getTextSegment(), getParentForChildren(), isClean());
+          textSegment_ = null;
+        }
+        return textSegmentBuilder_;
+      }
+
+      private int pageNumber_;
+      /**
+       *
+       *
+       * 
+       * Page number of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the original document, starts from 1.
+       * 

+       *
+       * int32 page_number = 2;
+       */
+      public int getPageNumber() {
+        return pageNumber_;
+      }
+      /**
+       *
+       *
+       * 
+       * Page number of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the original document, starts from 1.
+       * 

+       *
+       * int32 page_number = 2;
+       */
+      public Builder setPageNumber(int value) {
+
+        pageNumber_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * Page number of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the original document, starts from 1.
+       * 

+       *
+       * int32 page_number = 2;
+       */
+      public Builder clearPageNumber() {
+
+        pageNumber_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private com.google.cloud.automl.v1beta1.BoundingPoly boundingPoly_;
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.automl.v1beta1.BoundingPoly,
+              com.google.cloud.automl.v1beta1.BoundingPoly.Builder,
+              com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder>
+          boundingPolyBuilder_;
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public boolean hasBoundingPoly() {
+        return boundingPolyBuilder_ != null || boundingPoly_ != null;
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public com.google.cloud.automl.v1beta1.BoundingPoly getBoundingPoly() {
+        if (boundingPolyBuilder_ == null) {
+          return boundingPoly_ == null
+              ? com.google.cloud.automl.v1beta1.BoundingPoly.getDefaultInstance()
+              : boundingPoly_;
+        } else {
+          return boundingPolyBuilder_.getMessage();
+        }
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public Builder setBoundingPoly(com.google.cloud.automl.v1beta1.BoundingPoly value) {
+        if (boundingPolyBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          boundingPoly_ = value;
+          onChanged();
+        } else {
+          boundingPolyBuilder_.setMessage(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public Builder setBoundingPoly(
+          com.google.cloud.automl.v1beta1.BoundingPoly.Builder builderForValue) {
+        if (boundingPolyBuilder_ == null) {
+          boundingPoly_ = builderForValue.build();
+          onChanged();
+        } else {
+          boundingPolyBuilder_.setMessage(builderForValue.build());
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public Builder mergeBoundingPoly(com.google.cloud.automl.v1beta1.BoundingPoly value) {
+        if (boundingPolyBuilder_ == null) {
+          if (boundingPoly_ != null) {
+            boundingPoly_ =
+                com.google.cloud.automl.v1beta1.BoundingPoly.newBuilder(boundingPoly_)
+                    .mergeFrom(value)
+                    .buildPartial();
+          } else {
+            boundingPoly_ = value;
+          }
+          onChanged();
+        } else {
+          boundingPolyBuilder_.mergeFrom(value);
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public Builder clearBoundingPoly() {
+        if (boundingPolyBuilder_ == null) {
+          boundingPoly_ = null;
+          onChanged();
+        } else {
+          boundingPoly_ = null;
+          boundingPolyBuilder_ = null;
+        }
+
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public com.google.cloud.automl.v1beta1.BoundingPoly.Builder getBoundingPolyBuilder() {
+
+        onChanged();
+        return getBoundingPolyFieldBuilder().getBuilder();
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      public com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder getBoundingPolyOrBuilder() {
+        if (boundingPolyBuilder_ != null) {
+          return boundingPolyBuilder_.getMessageOrBuilder();
+        } else {
+          return boundingPoly_ == null
+              ? com.google.cloud.automl.v1beta1.BoundingPoly.getDefaultInstance()
+              : boundingPoly_;
+        }
+      }
+      /**
+       *
+       *
+       * 
+       * The position of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in the page. Contains exactly 4
+       * [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+       * and they are connected by edges in the order provided, which will
+       * represent a rectangle parallel to the frame. The
+       * [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+       * relative to the page.
+       * Coordinates are based on top-left as point (0,0).
+       * 

+       *
+       * .google.cloud.automl.v1beta1.BoundingPoly bounding_poly = 3;
+       */
+      private com.google.protobuf.SingleFieldBuilderV3<
+              com.google.cloud.automl.v1beta1.BoundingPoly,
+              com.google.cloud.automl.v1beta1.BoundingPoly.Builder,
+              com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder>
+          getBoundingPolyFieldBuilder() {
+        if (boundingPolyBuilder_ == null) {
+          boundingPolyBuilder_ =
+              new com.google.protobuf.SingleFieldBuilderV3<
+                  com.google.cloud.automl.v1beta1.BoundingPoly,
+                  com.google.cloud.automl.v1beta1.BoundingPoly.Builder,
+                  com.google.cloud.automl.v1beta1.BoundingPolyOrBuilder>(
+                  getBoundingPoly(), getParentForChildren(), isClean());
+          boundingPoly_ = null;
+        }
+        return boundingPolyBuilder_;
+      }
+
+      private int textSegmentType_ = 0;
+      /**
+       *
+       *
+       * 
+       * The type of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in document.
+       * 

+       *
+       * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+       * 
+       */
+      public int getTextSegmentTypeValue() {
+        return textSegmentType_;
+      }
+      /**
+       *
+       *
+       * 
+       * The type of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in document.
+       * 

+       *
+       * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+       * 
+       */
+      public Builder setTextSegmentTypeValue(int value) {
+        textSegmentType_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The type of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in document.
+       * 

+       *
+       * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+       * 
+       */
+      public com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType getTextSegmentType() {
+        @SuppressWarnings("deprecation")
+        com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType result =
+            com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType.valueOf(
+                textSegmentType_);
+        return result == null
+            ? com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType.UNRECOGNIZED
+            : result;
+      }
+      /**
+       *
+       *
+       * 
+       * The type of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in document.
+       * 

+       *
+       * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+       * 
+       */
+      public Builder setTextSegmentType(
+          com.google.cloud.automl.v1beta1.Document.Layout.TextSegmentType value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+
+        textSegmentType_ = value.getNumber();
+        onChanged();
+        return this;
+      }
+      /**
+       *
+       *
+       * 
+       * The type of the
+       * [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+       * in document.
+       * 

+       *
+       * .google.cloud.automl.v1beta1.Document.Layout.TextSegmentType text_segment_type = 4;
+       * 
+       */
+      public Builder clearTextSegmentType() {
+
+        textSegmentType_ = 0;
+        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.automl.v1beta1.Document.Layout)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.automl.v1beta1.Document.Layout)
+    private static final com.google.cloud.automl.v1beta1.Document.Layout DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.automl.v1beta1.Document.Layout();
+    }
+
+    public static com.google.cloud.automl.v1beta1.Document.Layout getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public Layout parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            return new Layout(input, extensionRegistry);
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.Document.Layout getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int bitField0_;
+  public static final int INPUT_CONFIG_FIELD_NUMBER = 1;
+  private com.google.cloud.automl.v1beta1.DocumentInputConfig inputConfig_;
+  /**
+   *
+   *
+   * 
+   * An input config specifying the content of the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+   */
+  public boolean hasInputConfig() {
+    return inputConfig_ != null;
+  }
+  /**
+   *
+   *
+   * 
+   * An input config specifying the content of the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+   */
+  public com.google.cloud.automl.v1beta1.DocumentInputConfig getInputConfig() {
+    return inputConfig_ == null
+        ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
+        : inputConfig_;
+  }
+  /**
+   *
+   *
+   * 
+   * An input config specifying the content of the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+   */
+  public com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder getInputConfigOrBuilder() {
+    return getInputConfig();
+  }
+
+  public static final int DOCUMENT_TEXT_FIELD_NUMBER = 2;
+  private com.google.cloud.automl.v1beta1.TextSnippet documentText_;
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  public boolean hasDocumentText() {
+    return documentText_ != null;
+  }
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  public com.google.cloud.automl.v1beta1.TextSnippet getDocumentText() {
+    return documentText_ == null
+        ? com.google.cloud.automl.v1beta1.TextSnippet.getDefaultInstance()
+        : documentText_;
+  }
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  public com.google.cloud.automl.v1beta1.TextSnippetOrBuilder getDocumentTextOrBuilder() {
+    return getDocumentText();
+  }
+
+  public static final int LAYOUT_FIELD_NUMBER = 3;
+  private java.util.List layout_;
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  public java.util.List getLayoutList() {
+    return layout_;
+  }
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  public java.util.List
+      getLayoutOrBuilderList() {
+    return layout_;
+  }
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  public int getLayoutCount() {
+    return layout_.size();
+  }
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  public com.google.cloud.automl.v1beta1.Document.Layout getLayout(int index) {
+    return layout_.get(index);
+  }
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  public com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder getLayoutOrBuilder(int index) {
+    return layout_.get(index);
+  }
+
+  public static final int DOCUMENT_DIMENSIONS_FIELD_NUMBER = 4;
+  private com.google.cloud.automl.v1beta1.DocumentDimensions documentDimensions_;
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  public boolean hasDocumentDimensions() {
+    return documentDimensions_ != null;
+  }
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  public com.google.cloud.automl.v1beta1.DocumentDimensions getDocumentDimensions() {
+    return documentDimensions_ == null
+        ? com.google.cloud.automl.v1beta1.DocumentDimensions.getDefaultInstance()
+        : documentDimensions_;
+  }
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  public com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder
+      getDocumentDimensionsOrBuilder() {
+    return getDocumentDimensions();
+  }
+
+  public static final int PAGE_COUNT_FIELD_NUMBER = 5;
+  private int pageCount_;
+  /**
+   *
+   *
+   * 
+   * Number of pages in the document.
+   * 

+   *
+   * int32 page_count = 5;
+   */
+  public int getPageCount() {
+    return pageCount_;
+  }
+
+  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 (inputConfig_ != null) {
+      output.writeMessage(1, getInputConfig());
+    }
+    if (documentText_ != null) {
+      output.writeMessage(2, getDocumentText());
+    }
+    for (int i = 0; i < layout_.size(); i++) {
+      output.writeMessage(3, layout_.get(i));
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+    if (documentDimensions_ != null) {
+      output.writeMessage(4, getDocumentDimensions());
+    }
+    if (pageCount_ != 0) {
+      output.writeInt32(5, pageCount_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (inputConfig_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getInputConfig());
+    }
+    if (documentText_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getDocumentText());
+    }
+    for (int i = 0; i < layout_.size(); i++) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, layout_.get(i));
+    }
+    if (documentDimensions_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getDocumentDimensions());
+    }
+    if (pageCount_ != 0) {
+      size += com.google.protobuf.CodedOutputStream.computeInt32Size(5, pageCount_);
+    }
+    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.automl.v1beta1.Document)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.automl.v1beta1.Document other = (com.google.cloud.automl.v1beta1.Document) obj;
+
+    if (hasInputConfig() != other.hasInputConfig()) return false;
+    if (hasInputConfig()) {
+      if (!getInputConfig().equals(other.getInputConfig())) return false;
+    }
+    if (hasDocumentText() != other.hasDocumentText()) return false;
+    if (hasDocumentText()) {
+      if (!getDocumentText().equals(other.getDocumentText())) return false;
+    }
+    if (!getLayoutList().equals(other.getLayoutList())) return false;
+    if (hasDocumentDimensions() != other.hasDocumentDimensions()) return false;
+    if (hasDocumentDimensions()) {
+      if (!getDocumentDimensions().equals(other.getDocumentDimensions())) return false;
+    }
+    if (getPageCount() != other.getPageCount()) 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 (hasInputConfig()) {
+      hash = (37 * hash) + INPUT_CONFIG_FIELD_NUMBER;
+      hash = (53 * hash) + getInputConfig().hashCode();
+    }
+    if (hasDocumentText()) {
+      hash = (37 * hash) + DOCUMENT_TEXT_FIELD_NUMBER;
+      hash = (53 * hash) + getDocumentText().hashCode();
+    }
+    if (getLayoutCount() > 0) {
+      hash = (37 * hash) + LAYOUT_FIELD_NUMBER;
+      hash = (53 * hash) + getLayoutList().hashCode();
+    }
+    if (hasDocumentDimensions()) {
+      hash = (37 * hash) + DOCUMENT_DIMENSIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getDocumentDimensions().hashCode();
+    }
+    hash = (37 * hash) + PAGE_COUNT_FIELD_NUMBER;
+    hash = (53 * hash) + getPageCount();
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document 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.automl.v1beta1.Document parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document 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.automl.v1beta1.Document parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document 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.automl.v1beta1.Document parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document 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.automl.v1beta1.Document parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.Document 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.automl.v1beta1.Document 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;
+  }
+  /**
+   *
+   *
+   * 
+   * A structured text document e.g. a PDF.
+   * 

+   *
+   * Protobuf type {@code google.cloud.automl.v1beta1.Document}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.automl.v1beta1.Document)
+      com.google.cloud.automl.v1beta1.DocumentOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_Document_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_Document_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.automl.v1beta1.Document.class,
+              com.google.cloud.automl.v1beta1.Document.Builder.class);
+    }
+
+    // Construct using com.google.cloud.automl.v1beta1.Document.newBuilder()
+    private Builder() {
+      maybeForceBuilderInitialization();
+    }
+
+    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+      maybeForceBuilderInitialization();
+    }
+
+    private void maybeForceBuilderInitialization() {
+      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
+        getLayoutFieldBuilder();
+      }
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      if (inputConfigBuilder_ == null) {
+        inputConfig_ = null;
+      } else {
+        inputConfig_ = null;
+        inputConfigBuilder_ = null;
+      }
+      if (documentTextBuilder_ == null) {
+        documentText_ = null;
+      } else {
+        documentText_ = null;
+        documentTextBuilder_ = null;
+      }
+      if (layoutBuilder_ == null) {
+        layout_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+      } else {
+        layoutBuilder_.clear();
+      }
+      if (documentDimensionsBuilder_ == null) {
+        documentDimensions_ = null;
+      } else {
+        documentDimensions_ = null;
+        documentDimensionsBuilder_ = null;
+      }
+      pageCount_ = 0;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_Document_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.Document getDefaultInstanceForType() {
+      return com.google.cloud.automl.v1beta1.Document.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.Document build() {
+      com.google.cloud.automl.v1beta1.Document result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.Document buildPartial() {
+      com.google.cloud.automl.v1beta1.Document result =
+          new com.google.cloud.automl.v1beta1.Document(this);
+      int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
+      if (inputConfigBuilder_ == null) {
+        result.inputConfig_ = inputConfig_;
+      } else {
+        result.inputConfig_ = inputConfigBuilder_.build();
+      }
+      if (documentTextBuilder_ == null) {
+        result.documentText_ = documentText_;
+      } else {
+        result.documentText_ = documentTextBuilder_.build();
+      }
+      if (layoutBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)) {
+          layout_ = java.util.Collections.unmodifiableList(layout_);
+          bitField0_ = (bitField0_ & ~0x00000004);
+        }
+        result.layout_ = layout_;
+      } else {
+        result.layout_ = layoutBuilder_.build();
+      }
+      if (documentDimensionsBuilder_ == null) {
+        result.documentDimensions_ = documentDimensions_;
+      } else {
+        result.documentDimensions_ = documentDimensionsBuilder_.build();
+      }
+      result.pageCount_ = pageCount_;
+      result.bitField0_ = to_bitField0_;
+      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.automl.v1beta1.Document) {
+        return mergeFrom((com.google.cloud.automl.v1beta1.Document) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.automl.v1beta1.Document other) {
+      if (other == com.google.cloud.automl.v1beta1.Document.getDefaultInstance()) return this;
+      if (other.hasInputConfig()) {
+        mergeInputConfig(other.getInputConfig());
+      }
+      if (other.hasDocumentText()) {
+        mergeDocumentText(other.getDocumentText());
+      }
+      if (layoutBuilder_ == null) {
+        if (!other.layout_.isEmpty()) {
+          if (layout_.isEmpty()) {
+            layout_ = other.layout_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+          } else {
+            ensureLayoutIsMutable();
+            layout_.addAll(other.layout_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.layout_.isEmpty()) {
+          if (layoutBuilder_.isEmpty()) {
+            layoutBuilder_.dispose();
+            layoutBuilder_ = null;
+            layout_ = other.layout_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+            layoutBuilder_ =
+                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
+                    ? getLayoutFieldBuilder()
+                    : null;
+          } else {
+            layoutBuilder_.addAllMessages(other.layout_);
+          }
+        }
+      }
+      if (other.hasDocumentDimensions()) {
+        mergeDocumentDimensions(other.getDocumentDimensions());
+      }
+      if (other.getPageCount() != 0) {
+        setPageCount(other.getPageCount());
+      }
+      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.automl.v1beta1.Document parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage = (com.google.cloud.automl.v1beta1.Document) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.cloud.automl.v1beta1.DocumentInputConfig inputConfig_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.DocumentInputConfig,
+            com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
+            com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>
+        inputConfigBuilder_;
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public boolean hasInputConfig() {
+      return inputConfigBuilder_ != null || inputConfig_ != null;
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public com.google.cloud.automl.v1beta1.DocumentInputConfig getInputConfig() {
+      if (inputConfigBuilder_ == null) {
+        return inputConfig_ == null
+            ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
+            : inputConfig_;
+      } else {
+        return inputConfigBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public Builder setInputConfig(com.google.cloud.automl.v1beta1.DocumentInputConfig value) {
+      if (inputConfigBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        inputConfig_ = value;
+        onChanged();
+      } else {
+        inputConfigBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public Builder setInputConfig(
+        com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder builderForValue) {
+      if (inputConfigBuilder_ == null) {
+        inputConfig_ = builderForValue.build();
+        onChanged();
+      } else {
+        inputConfigBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public Builder mergeInputConfig(com.google.cloud.automl.v1beta1.DocumentInputConfig value) {
+      if (inputConfigBuilder_ == null) {
+        if (inputConfig_ != null) {
+          inputConfig_ =
+              com.google.cloud.automl.v1beta1.DocumentInputConfig.newBuilder(inputConfig_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          inputConfig_ = value;
+        }
+        onChanged();
+      } else {
+        inputConfigBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public Builder clearInputConfig() {
+      if (inputConfigBuilder_ == null) {
+        inputConfig_ = null;
+        onChanged();
+      } else {
+        inputConfig_ = null;
+        inputConfigBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder getInputConfigBuilder() {
+
+      onChanged();
+      return getInputConfigFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    public com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder getInputConfigOrBuilder() {
+      if (inputConfigBuilder_ != null) {
+        return inputConfigBuilder_.getMessageOrBuilder();
+      } else {
+        return inputConfig_ == null
+            ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
+            : inputConfig_;
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * An input config specifying the content of the document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.DocumentInputConfig,
+            com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
+            com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>
+        getInputConfigFieldBuilder() {
+      if (inputConfigBuilder_ == null) {
+        inputConfigBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.automl.v1beta1.DocumentInputConfig,
+                com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
+                com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>(
+                getInputConfig(), getParentForChildren(), isClean());
+        inputConfig_ = null;
+      }
+      return inputConfigBuilder_;
+    }
+
+    private com.google.cloud.automl.v1beta1.TextSnippet documentText_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.TextSnippet,
+            com.google.cloud.automl.v1beta1.TextSnippet.Builder,
+            com.google.cloud.automl.v1beta1.TextSnippetOrBuilder>
+        documentTextBuilder_;
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public boolean hasDocumentText() {
+      return documentTextBuilder_ != null || documentText_ != null;
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public com.google.cloud.automl.v1beta1.TextSnippet getDocumentText() {
+      if (documentTextBuilder_ == null) {
+        return documentText_ == null
+            ? com.google.cloud.automl.v1beta1.TextSnippet.getDefaultInstance()
+            : documentText_;
+      } else {
+        return documentTextBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public Builder setDocumentText(com.google.cloud.automl.v1beta1.TextSnippet value) {
+      if (documentTextBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        documentText_ = value;
+        onChanged();
+      } else {
+        documentTextBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public Builder setDocumentText(
+        com.google.cloud.automl.v1beta1.TextSnippet.Builder builderForValue) {
+      if (documentTextBuilder_ == null) {
+        documentText_ = builderForValue.build();
+        onChanged();
+      } else {
+        documentTextBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public Builder mergeDocumentText(com.google.cloud.automl.v1beta1.TextSnippet value) {
+      if (documentTextBuilder_ == null) {
+        if (documentText_ != null) {
+          documentText_ =
+              com.google.cloud.automl.v1beta1.TextSnippet.newBuilder(documentText_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          documentText_ = value;
+        }
+        onChanged();
+      } else {
+        documentTextBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public Builder clearDocumentText() {
+      if (documentTextBuilder_ == null) {
+        documentText_ = null;
+        onChanged();
+      } else {
+        documentText_ = null;
+        documentTextBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public com.google.cloud.automl.v1beta1.TextSnippet.Builder getDocumentTextBuilder() {
+
+      onChanged();
+      return getDocumentTextFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    public com.google.cloud.automl.v1beta1.TextSnippetOrBuilder getDocumentTextOrBuilder() {
+      if (documentTextBuilder_ != null) {
+        return documentTextBuilder_.getMessageOrBuilder();
+      } else {
+        return documentText_ == null
+            ? com.google.cloud.automl.v1beta1.TextSnippet.getDefaultInstance()
+            : documentText_;
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * The plain text version of this document.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.TextSnippet,
+            com.google.cloud.automl.v1beta1.TextSnippet.Builder,
+            com.google.cloud.automl.v1beta1.TextSnippetOrBuilder>
+        getDocumentTextFieldBuilder() {
+      if (documentTextBuilder_ == null) {
+        documentTextBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.automl.v1beta1.TextSnippet,
+                com.google.cloud.automl.v1beta1.TextSnippet.Builder,
+                com.google.cloud.automl.v1beta1.TextSnippetOrBuilder>(
+                getDocumentText(), getParentForChildren(), isClean());
+        documentText_ = null;
+      }
+      return documentTextBuilder_;
+    }
+
+    private java.util.List layout_ =
+        java.util.Collections.emptyList();
+
+    private void ensureLayoutIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        layout_ = new java.util.ArrayList(layout_);
+        bitField0_ |= 0x00000004;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.Document.Layout,
+            com.google.cloud.automl.v1beta1.Document.Layout.Builder,
+            com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder>
+        layoutBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public java.util.List getLayoutList() {
+      if (layoutBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(layout_);
+      } else {
+        return layoutBuilder_.getMessageList();
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public int getLayoutCount() {
+      if (layoutBuilder_ == null) {
+        return layout_.size();
+      } else {
+        return layoutBuilder_.getCount();
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public com.google.cloud.automl.v1beta1.Document.Layout getLayout(int index) {
+      if (layoutBuilder_ == null) {
+        return layout_.get(index);
+      } else {
+        return layoutBuilder_.getMessage(index);
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder setLayout(int index, com.google.cloud.automl.v1beta1.Document.Layout value) {
+      if (layoutBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureLayoutIsMutable();
+        layout_.set(index, value);
+        onChanged();
+      } else {
+        layoutBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder setLayout(
+        int index, com.google.cloud.automl.v1beta1.Document.Layout.Builder builderForValue) {
+      if (layoutBuilder_ == null) {
+        ensureLayoutIsMutable();
+        layout_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        layoutBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder addLayout(com.google.cloud.automl.v1beta1.Document.Layout value) {
+      if (layoutBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureLayoutIsMutable();
+        layout_.add(value);
+        onChanged();
+      } else {
+        layoutBuilder_.addMessage(value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder addLayout(int index, com.google.cloud.automl.v1beta1.Document.Layout value) {
+      if (layoutBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureLayoutIsMutable();
+        layout_.add(index, value);
+        onChanged();
+      } else {
+        layoutBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder addLayout(
+        com.google.cloud.automl.v1beta1.Document.Layout.Builder builderForValue) {
+      if (layoutBuilder_ == null) {
+        ensureLayoutIsMutable();
+        layout_.add(builderForValue.build());
+        onChanged();
+      } else {
+        layoutBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder addLayout(
+        int index, com.google.cloud.automl.v1beta1.Document.Layout.Builder builderForValue) {
+      if (layoutBuilder_ == null) {
+        ensureLayoutIsMutable();
+        layout_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        layoutBuilder_.addMessage(index, builderForValue.build());
       }
-      return result;
+      return this;
     }
-
-    @java.lang.Override
-    public com.google.cloud.automl.v1beta1.Document buildPartial() {
-      com.google.cloud.automl.v1beta1.Document result =
-          new com.google.cloud.automl.v1beta1.Document(this);
-      if (inputConfigBuilder_ == null) {
-        result.inputConfig_ = inputConfig_;
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder addAllLayout(
+        java.lang.Iterable values) {
+      if (layoutBuilder_ == null) {
+        ensureLayoutIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, layout_);
+        onChanged();
       } else {
-        result.inputConfig_ = inputConfigBuilder_.build();
+        layoutBuilder_.addAllMessages(values);
       }
-      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);
+      return this;
     }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder clearLayout() {
+      if (layoutBuilder_ == null) {
+        layout_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        layoutBuilder_.clear();
+      }
+      return this;
     }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public Builder removeLayout(int index) {
+      if (layoutBuilder_ == null) {
+        ensureLayoutIsMutable();
+        layout_.remove(index);
+        onChanged();
+      } else {
+        layoutBuilder_.remove(index);
+      }
+      return this;
     }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public com.google.cloud.automl.v1beta1.Document.Layout.Builder getLayoutBuilder(int index) {
+      return getLayoutFieldBuilder().getBuilder(index);
     }
-
-    @java.lang.Override
-    public Builder mergeFrom(com.google.protobuf.Message other) {
-      if (other instanceof com.google.cloud.automl.v1beta1.Document) {
-        return mergeFrom((com.google.cloud.automl.v1beta1.Document) other);
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder getLayoutOrBuilder(int index) {
+      if (layoutBuilder_ == null) {
+        return layout_.get(index);
       } else {
-        super.mergeFrom(other);
-        return this;
+        return layoutBuilder_.getMessageOrBuilder(index);
       }
     }
-
-    public Builder mergeFrom(com.google.cloud.automl.v1beta1.Document other) {
-      if (other == com.google.cloud.automl.v1beta1.Document.getDefaultInstance()) return this;
-      if (other.hasInputConfig()) {
-        mergeInputConfig(other.getInputConfig());
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public java.util.List
+        getLayoutOrBuilderList() {
+      if (layoutBuilder_ != null) {
+        return layoutBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(layout_);
       }
-      this.mergeUnknownFields(other.unknownFields);
-      onChanged();
-      return this;
     }
-
-    @java.lang.Override
-    public final boolean isInitialized() {
-      return true;
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public com.google.cloud.automl.v1beta1.Document.Layout.Builder addLayoutBuilder() {
+      return getLayoutFieldBuilder()
+          .addBuilder(com.google.cloud.automl.v1beta1.Document.Layout.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public com.google.cloud.automl.v1beta1.Document.Layout.Builder addLayoutBuilder(int index) {
+      return getLayoutFieldBuilder()
+          .addBuilder(index, com.google.cloud.automl.v1beta1.Document.Layout.getDefaultInstance());
+    }
+    /**
+     *
+     *
+     * 
+     * Describes the layout of the document.
+     * Sorted by [page_number][].
+     * 

+     *
+     * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+     */
+    public java.util.List
+        getLayoutBuilderList() {
+      return getLayoutFieldBuilder().getBuilderList();
     }
 
-    @java.lang.Override
-    public Builder mergeFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      com.google.cloud.automl.v1beta1.Document parsedMessage = null;
-      try {
-        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        parsedMessage = (com.google.cloud.automl.v1beta1.Document) e.getUnfinishedMessage();
-        throw e.unwrapIOException();
-      } finally {
-        if (parsedMessage != null) {
-          mergeFrom(parsedMessage);
-        }
+    private com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.Document.Layout,
+            com.google.cloud.automl.v1beta1.Document.Layout.Builder,
+            com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder>
+        getLayoutFieldBuilder() {
+      if (layoutBuilder_ == null) {
+        layoutBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilderV3<
+                com.google.cloud.automl.v1beta1.Document.Layout,
+                com.google.cloud.automl.v1beta1.Document.Layout.Builder,
+                com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder>(
+                layout_, ((bitField0_ & 0x00000004) != 0), getParentForChildren(), isClean());
+        layout_ = null;
       }
-      return this;
+      return layoutBuilder_;
     }
 
-    private com.google.cloud.automl.v1beta1.DocumentInputConfig inputConfig_;
+    private com.google.cloud.automl.v1beta1.DocumentDimensions documentDimensions_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.automl.v1beta1.DocumentInputConfig,
-            com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
-            com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>
-        inputConfigBuilder_;
+            com.google.cloud.automl.v1beta1.DocumentDimensions,
+            com.google.cloud.automl.v1beta1.DocumentDimensions.Builder,
+            com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder>
+        documentDimensionsBuilder_;
     /**
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public boolean hasInputConfig() {
-      return inputConfigBuilder_ != null || inputConfig_ != null;
+    public boolean hasDocumentDimensions() {
+      return documentDimensionsBuilder_ != null || documentDimensions_ != null;
     }
     /**
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public com.google.cloud.automl.v1beta1.DocumentInputConfig getInputConfig() {
-      if (inputConfigBuilder_ == null) {
-        return inputConfig_ == null
-            ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
-            : inputConfig_;
+    public com.google.cloud.automl.v1beta1.DocumentDimensions getDocumentDimensions() {
+      if (documentDimensionsBuilder_ == null) {
+        return documentDimensions_ == null
+            ? com.google.cloud.automl.v1beta1.DocumentDimensions.getDefaultInstance()
+            : documentDimensions_;
       } else {
-        return inputConfigBuilder_.getMessage();
+        return documentDimensionsBuilder_.getMessage();
       }
     }
     /**
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public Builder setInputConfig(com.google.cloud.automl.v1beta1.DocumentInputConfig value) {
-      if (inputConfigBuilder_ == null) {
+    public Builder setDocumentDimensions(com.google.cloud.automl.v1beta1.DocumentDimensions value) {
+      if (documentDimensionsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
         }
-        inputConfig_ = value;
+        documentDimensions_ = value;
         onChanged();
       } else {
-        inputConfigBuilder_.setMessage(value);
+        documentDimensionsBuilder_.setMessage(value);
       }
 
       return this;
@@ -529,18 +3406,18 @@ public Builder setInputConfig(com.google.cloud.automl.v1beta1.DocumentInputConfi
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public Builder setInputConfig(
-        com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder builderForValue) {
-      if (inputConfigBuilder_ == null) {
-        inputConfig_ = builderForValue.build();
+    public Builder setDocumentDimensions(
+        com.google.cloud.automl.v1beta1.DocumentDimensions.Builder builderForValue) {
+      if (documentDimensionsBuilder_ == null) {
+        documentDimensions_ = builderForValue.build();
         onChanged();
       } else {
-        inputConfigBuilder_.setMessage(builderForValue.build());
+        documentDimensionsBuilder_.setMessage(builderForValue.build());
       }
 
       return this;
@@ -549,24 +3426,25 @@ public Builder setInputConfig(
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public Builder mergeInputConfig(com.google.cloud.automl.v1beta1.DocumentInputConfig value) {
-      if (inputConfigBuilder_ == null) {
-        if (inputConfig_ != null) {
-          inputConfig_ =
-              com.google.cloud.automl.v1beta1.DocumentInputConfig.newBuilder(inputConfig_)
+    public Builder mergeDocumentDimensions(
+        com.google.cloud.automl.v1beta1.DocumentDimensions value) {
+      if (documentDimensionsBuilder_ == null) {
+        if (documentDimensions_ != null) {
+          documentDimensions_ =
+              com.google.cloud.automl.v1beta1.DocumentDimensions.newBuilder(documentDimensions_)
                   .mergeFrom(value)
                   .buildPartial();
         } else {
-          inputConfig_ = value;
+          documentDimensions_ = value;
         }
         onChanged();
       } else {
-        inputConfigBuilder_.mergeFrom(value);
+        documentDimensionsBuilder_.mergeFrom(value);
       }
 
       return this;
@@ -575,18 +3453,18 @@ public Builder mergeInputConfig(com.google.cloud.automl.v1beta1.DocumentInputCon
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public Builder clearInputConfig() {
-      if (inputConfigBuilder_ == null) {
-        inputConfig_ = null;
+    public Builder clearDocumentDimensions() {
+      if (documentDimensionsBuilder_ == null) {
+        documentDimensions_ = null;
         onChanged();
       } else {
-        inputConfig_ = null;
-        inputConfigBuilder_ = null;
+        documentDimensions_ = null;
+        documentDimensionsBuilder_ = null;
       }
 
       return this;
@@ -595,58 +3473,104 @@ public Builder clearInputConfig() {
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder getInputConfigBuilder() {
+    public com.google.cloud.automl.v1beta1.DocumentDimensions.Builder
+        getDocumentDimensionsBuilder() {
 
       onChanged();
-      return getInputConfigFieldBuilder().getBuilder();
+      return getDocumentDimensionsFieldBuilder().getBuilder();
     }
     /**
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
-    public com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder getInputConfigOrBuilder() {
-      if (inputConfigBuilder_ != null) {
-        return inputConfigBuilder_.getMessageOrBuilder();
+    public com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder
+        getDocumentDimensionsOrBuilder() {
+      if (documentDimensionsBuilder_ != null) {
+        return documentDimensionsBuilder_.getMessageOrBuilder();
       } else {
-        return inputConfig_ == null
-            ? com.google.cloud.automl.v1beta1.DocumentInputConfig.getDefaultInstance()
-            : inputConfig_;
+        return documentDimensions_ == null
+            ? com.google.cloud.automl.v1beta1.DocumentDimensions.getDefaultInstance()
+            : documentDimensions_;
       }
     }
     /**
      *
      *
      * 
-     * An input config specifying the content of the document.
+     * The dimensions of the page in the document.
      * 

      *
-     * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
+     * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.cloud.automl.v1beta1.DocumentInputConfig,
-            com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
-            com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>
-        getInputConfigFieldBuilder() {
-      if (inputConfigBuilder_ == null) {
-        inputConfigBuilder_ =
+            com.google.cloud.automl.v1beta1.DocumentDimensions,
+            com.google.cloud.automl.v1beta1.DocumentDimensions.Builder,
+            com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder>
+        getDocumentDimensionsFieldBuilder() {
+      if (documentDimensionsBuilder_ == null) {
+        documentDimensionsBuilder_ =
             new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.cloud.automl.v1beta1.DocumentInputConfig,
-                com.google.cloud.automl.v1beta1.DocumentInputConfig.Builder,
-                com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder>(
-                getInputConfig(), getParentForChildren(), isClean());
-        inputConfig_ = null;
+                com.google.cloud.automl.v1beta1.DocumentDimensions,
+                com.google.cloud.automl.v1beta1.DocumentDimensions.Builder,
+                com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder>(
+                getDocumentDimensions(), getParentForChildren(), isClean());
+        documentDimensions_ = null;
       }
-      return inputConfigBuilder_;
+      return documentDimensionsBuilder_;
+    }
+
+    private int pageCount_;
+    /**
+     *
+     *
+     * 
+     * Number of pages in the document.
+     * 

+     *
+     * int32 page_count = 5;
+     */
+    public int getPageCount() {
+      return pageCount_;
+    }
+    /**
+     *
+     *
+     * 
+     * Number of pages in the document.
+     * 

+     *
+     * int32 page_count = 5;
+     */
+    public Builder setPageCount(int value) {
+
+      pageCount_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Number of pages in the document.
+     * 

+     *
+     * int32 page_count = 5;
+     */
+    public Builder clearPageCount() {
+
+      pageCount_ = 0;
+      onChanged();
+      return this;
     }
 
     @java.lang.Override
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensions.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensions.java
new file mode 100644
index 000000000000..64ffb652d998
--- /dev/null
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensions.java
@@ -0,0 +1,909 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/automl/v1beta1/data_items.proto
+
+package com.google.cloud.automl.v1beta1;
+
+/**
+ *
+ *
+ * 
+ * Message that describes dimension of a document.
+ * 

+ *
+ * Protobuf type {@code google.cloud.automl.v1beta1.DocumentDimensions}
+ */
+public final class DocumentDimensions extends com.google.protobuf.GeneratedMessageV3
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.automl.v1beta1.DocumentDimensions)
+    DocumentDimensionsOrBuilder {
+  private static final long serialVersionUID = 0L;
+  // Use DocumentDimensions.newBuilder() to construct.
+  private DocumentDimensions(com.google.protobuf.GeneratedMessageV3.Builder builder) {
+    super(builder);
+  }
+
+  private DocumentDimensions() {
+    unit_ = 0;
+  }
+
+  @java.lang.Override
+  public final com.google.protobuf.UnknownFieldSet getUnknownFields() {
+    return this.unknownFields;
+  }
+
+  private DocumentDimensions(
+      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 8:
+            {
+              int rawValue = input.readEnum();
+
+              unit_ = rawValue;
+              break;
+            }
+          case 21:
+            {
+              width_ = input.readFloat();
+              break;
+            }
+          case 29:
+            {
+              height_ = input.readFloat();
+              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.automl.v1beta1.DataItems
+        .internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.automl.v1beta1.DataItems
+        .internal_static_google_cloud_automl_v1beta1_DocumentDimensions_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.automl.v1beta1.DocumentDimensions.class,
+            com.google.cloud.automl.v1beta1.DocumentDimensions.Builder.class);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Unit of the document dimension.
+   * 

+   *
+   * Protobuf enum {@code google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit}
+   */
+  public enum DocumentDimensionUnit implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     *
+     *
+     * 
+     * Should not be used.
+     * 

+     *
+     * DOCUMENT_DIMENSION_UNIT_UNSPECIFIED = 0;
+     */
+    DOCUMENT_DIMENSION_UNIT_UNSPECIFIED(0),
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in inches.
+     * 

+     *
+     * INCH = 1;
+     */
+    INCH(1),
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in centimeters.
+     * 

+     *
+     * CENTIMETER = 2;
+     */
+    CENTIMETER(2),
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in points. 72 points = 1 inch.
+     * 

+     *
+     * POINT = 3;
+     */
+    POINT(3),
+    UNRECOGNIZED(-1),
+    ;
+
+    /**
+     *
+     *
+     * 
+     * Should not be used.
+     * 

+     *
+     * DOCUMENT_DIMENSION_UNIT_UNSPECIFIED = 0;
+     */
+    public static final int DOCUMENT_DIMENSION_UNIT_UNSPECIFIED_VALUE = 0;
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in inches.
+     * 

+     *
+     * INCH = 1;
+     */
+    public static final int INCH_VALUE = 1;
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in centimeters.
+     * 

+     *
+     * CENTIMETER = 2;
+     */
+    public static final int CENTIMETER_VALUE = 2;
+    /**
+     *
+     *
+     * 
+     * Document dimension is measured in points. 72 points = 1 inch.
+     * 

+     *
+     * POINT = 3;
+     */
+    public static final int POINT_VALUE = 3;
+
+    public final int getNumber() {
+      if (this == UNRECOGNIZED) {
+        throw new java.lang.IllegalArgumentException(
+            "Can't get the number of an unknown enum value.");
+      }
+      return value;
+    }
+
+    /** @deprecated Use {@link #forNumber(int)} instead. */
+    @java.lang.Deprecated
+    public static DocumentDimensionUnit valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static DocumentDimensionUnit forNumber(int value) {
+      switch (value) {
+        case 0:
+          return DOCUMENT_DIMENSION_UNIT_UNSPECIFIED;
+        case 1:
+          return INCH;
+        case 2:
+          return CENTIMETER;
+        case 3:
+          return POINT;
+        default:
+          return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+
+    private static final com.google.protobuf.Internal.EnumLiteMap
+        internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap() {
+              public DocumentDimensionUnit findValueByNumber(int number) {
+                return DocumentDimensionUnit.forNumber(number);
+              }
+            };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      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.automl.v1beta1.DocumentDimensions.getDescriptor()
+          .getEnumTypes()
+          .get(0);
+    }
+
+    private static final DocumentDimensionUnit[] VALUES = values();
+
+    public static DocumentDimensionUnit 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 DocumentDimensionUnit(int value) {
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit)
+  }
+
+  public static final int UNIT_FIELD_NUMBER = 1;
+  private int unit_;
+  /**
+   *
+   *
+   * 
+   * Unit of the dimension.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+   */
+  public int getUnitValue() {
+    return unit_;
+  }
+  /**
+   *
+   *
+   * 
+   * Unit of the dimension.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+   */
+  public com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit getUnit() {
+    @SuppressWarnings("deprecation")
+    com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit result =
+        com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit.valueOf(unit_);
+    return result == null
+        ? com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int WIDTH_FIELD_NUMBER = 2;
+  private float width_;
+  /**
+   *
+   *
+   * 
+   * Width value of the document, works together with the unit.
+   * 

+   *
+   * float width = 2;
+   */
+  public float getWidth() {
+    return width_;
+  }
+
+  public static final int HEIGHT_FIELD_NUMBER = 3;
+  private float height_;
+  /**
+   *
+   *
+   * 
+   * Height value of the document, works together with the unit.
+   * 

+   *
+   * float height = 3;
+   */
+  public float getHeight() {
+    return height_;
+  }
+
+  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 (unit_
+        != com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit
+            .DOCUMENT_DIMENSION_UNIT_UNSPECIFIED
+            .getNumber()) {
+      output.writeEnum(1, unit_);
+    }
+    if (width_ != 0F) {
+      output.writeFloat(2, width_);
+    }
+    if (height_ != 0F) {
+      output.writeFloat(3, height_);
+    }
+    unknownFields.writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (unit_
+        != com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit
+            .DOCUMENT_DIMENSION_UNIT_UNSPECIFIED
+            .getNumber()) {
+      size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, unit_);
+    }
+    if (width_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(2, width_);
+    }
+    if (height_ != 0F) {
+      size += com.google.protobuf.CodedOutputStream.computeFloatSize(3, height_);
+    }
+    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.automl.v1beta1.DocumentDimensions)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.automl.v1beta1.DocumentDimensions other =
+        (com.google.cloud.automl.v1beta1.DocumentDimensions) obj;
+
+    if (unit_ != other.unit_) return false;
+    if (java.lang.Float.floatToIntBits(getWidth())
+        != java.lang.Float.floatToIntBits(other.getWidth())) return false;
+    if (java.lang.Float.floatToIntBits(getHeight())
+        != java.lang.Float.floatToIntBits(other.getHeight())) 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) + UNIT_FIELD_NUMBER;
+    hash = (53 * hash) + unit_;
+    hash = (37 * hash) + WIDTH_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getWidth());
+    hash = (37 * hash) + HEIGHT_FIELD_NUMBER;
+    hash = (53 * hash) + java.lang.Float.floatToIntBits(getHeight());
+    hash = (29 * hash) + unknownFields.hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions parseFrom(
+      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions 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.automl.v1beta1.DocumentDimensions parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions 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.automl.v1beta1.DocumentDimensions parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions parseFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions 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.automl.v1beta1.DocumentDimensions parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions 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.automl.v1beta1.DocumentDimensions parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions 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.automl.v1beta1.DocumentDimensions 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;
+  }
+  /**
+   *
+   *
+   * 
+   * Message that describes dimension of a document.
+   * 

+   *
+   * Protobuf type {@code google.cloud.automl.v1beta1.DocumentDimensions}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.automl.v1beta1.DocumentDimensions)
+      com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_DocumentDimensions_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.automl.v1beta1.DocumentDimensions.class,
+              com.google.cloud.automl.v1beta1.DocumentDimensions.Builder.class);
+    }
+
+    // Construct using com.google.cloud.automl.v1beta1.DocumentDimensions.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();
+      unit_ = 0;
+
+      width_ = 0F;
+
+      height_ = 0F;
+
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.automl.v1beta1.DataItems
+          .internal_static_google_cloud_automl_v1beta1_DocumentDimensions_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.DocumentDimensions getDefaultInstanceForType() {
+      return com.google.cloud.automl.v1beta1.DocumentDimensions.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.DocumentDimensions build() {
+      com.google.cloud.automl.v1beta1.DocumentDimensions result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.automl.v1beta1.DocumentDimensions buildPartial() {
+      com.google.cloud.automl.v1beta1.DocumentDimensions result =
+          new com.google.cloud.automl.v1beta1.DocumentDimensions(this);
+      result.unit_ = unit_;
+      result.width_ = width_;
+      result.height_ = height_;
+      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.automl.v1beta1.DocumentDimensions) {
+        return mergeFrom((com.google.cloud.automl.v1beta1.DocumentDimensions) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.automl.v1beta1.DocumentDimensions other) {
+      if (other == com.google.cloud.automl.v1beta1.DocumentDimensions.getDefaultInstance())
+        return this;
+      if (other.unit_ != 0) {
+        setUnitValue(other.getUnitValue());
+      }
+      if (other.getWidth() != 0F) {
+        setWidth(other.getWidth());
+      }
+      if (other.getHeight() != 0F) {
+        setHeight(other.getHeight());
+      }
+      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.automl.v1beta1.DocumentDimensions parsedMessage = null;
+      try {
+        parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        parsedMessage =
+            (com.google.cloud.automl.v1beta1.DocumentDimensions) e.getUnfinishedMessage();
+        throw e.unwrapIOException();
+      } finally {
+        if (parsedMessage != null) {
+          mergeFrom(parsedMessage);
+        }
+      }
+      return this;
+    }
+
+    private int unit_ = 0;
+    /**
+     *
+     *
+     * 
+     * Unit of the dimension.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+     */
+    public int getUnitValue() {
+      return unit_;
+    }
+    /**
+     *
+     *
+     * 
+     * Unit of the dimension.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+     */
+    public Builder setUnitValue(int value) {
+      unit_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Unit of the dimension.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+     */
+    public com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit getUnit() {
+      @SuppressWarnings("deprecation")
+      com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit result =
+          com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit.valueOf(unit_);
+      return result == null
+          ? com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit.UNRECOGNIZED
+          : result;
+    }
+    /**
+     *
+     *
+     * 
+     * Unit of the dimension.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+     */
+    public Builder setUnit(
+        com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+
+      unit_ = value.getNumber();
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Unit of the dimension.
+     * 

+     *
+     * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+     */
+    public Builder clearUnit() {
+
+      unit_ = 0;
+      onChanged();
+      return this;
+    }
+
+    private float width_;
+    /**
+     *
+     *
+     * 
+     * Width value of the document, works together with the unit.
+     * 

+     *
+     * float width = 2;
+     */
+    public float getWidth() {
+      return width_;
+    }
+    /**
+     *
+     *
+     * 
+     * Width value of the document, works together with the unit.
+     * 

+     *
+     * float width = 2;
+     */
+    public Builder setWidth(float value) {
+
+      width_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Width value of the document, works together with the unit.
+     * 

+     *
+     * float width = 2;
+     */
+    public Builder clearWidth() {
+
+      width_ = 0F;
+      onChanged();
+      return this;
+    }
+
+    private float height_;
+    /**
+     *
+     *
+     * 
+     * Height value of the document, works together with the unit.
+     * 

+     *
+     * float height = 3;
+     */
+    public float getHeight() {
+      return height_;
+    }
+    /**
+     *
+     *
+     * 
+     * Height value of the document, works together with the unit.
+     * 

+     *
+     * float height = 3;
+     */
+    public Builder setHeight(float value) {
+
+      height_ = value;
+      onChanged();
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * Height value of the document, works together with the unit.
+     * 

+     *
+     * float height = 3;
+     */
+    public Builder clearHeight() {
+
+      height_ = 0F;
+      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.automl.v1beta1.DocumentDimensions)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.automl.v1beta1.DocumentDimensions)
+  private static final com.google.cloud.automl.v1beta1.DocumentDimensions DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.automl.v1beta1.DocumentDimensions();
+  }
+
+  public static com.google.cloud.automl.v1beta1.DocumentDimensions getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser PARSER =
+      new com.google.protobuf.AbstractParser() {
+        @java.lang.Override
+        public DocumentDimensions parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          return new DocumentDimensions(input, extensionRegistry);
+        }
+      };
+
+  public static com.google.protobuf.Parser parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.automl.v1beta1.DocumentDimensions getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensionsOrBuilder.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensionsOrBuilder.java
new file mode 100644
index 000000000000..81cc740d1fb6
--- /dev/null
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentDimensionsOrBuilder.java
@@ -0,0 +1,53 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/cloud/automl/v1beta1/data_items.proto
+
+package com.google.cloud.automl.v1beta1;
+
+public interface DocumentDimensionsOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.automl.v1beta1.DocumentDimensions)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * 
+   * Unit of the dimension.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+   */
+  int getUnitValue();
+  /**
+   *
+   *
+   * 
+   * Unit of the dimension.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit unit = 1;
+   */
+  com.google.cloud.automl.v1beta1.DocumentDimensions.DocumentDimensionUnit getUnit();
+
+  /**
+   *
+   *
+   * 
+   * Width value of the document, works together with the unit.
+   * 

+   *
+   * float width = 2;
+   */
+  float getWidth();
+
+  /**
+   *
+   *
+   * 
+   * Height value of the document, works together with the unit.
+   * 

+   *
+   * float height = 3;
+   */
+  float getHeight();
+}
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentOrBuilder.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentOrBuilder.java
index 59e37ecbd277..a11d5a2bb7a5 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/DocumentOrBuilder.java
@@ -38,4 +38,134 @@ public interface DocumentOrBuilder
    * .google.cloud.automl.v1beta1.DocumentInputConfig input_config = 1;
    */
   com.google.cloud.automl.v1beta1.DocumentInputConfigOrBuilder getInputConfigOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  boolean hasDocumentText();
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  com.google.cloud.automl.v1beta1.TextSnippet getDocumentText();
+  /**
+   *
+   *
+   * 
+   * The plain text version of this document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.TextSnippet document_text = 2;
+   */
+  com.google.cloud.automl.v1beta1.TextSnippetOrBuilder getDocumentTextOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  java.util.List getLayoutList();
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  com.google.cloud.automl.v1beta1.Document.Layout getLayout(int index);
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  int getLayoutCount();
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  java.util.List
+      getLayoutOrBuilderList();
+  /**
+   *
+   *
+   * 
+   * Describes the layout of the document.
+   * Sorted by [page_number][].
+   * 

+   *
+   * repeated .google.cloud.automl.v1beta1.Document.Layout layout = 3;
+   */
+  com.google.cloud.automl.v1beta1.Document.LayoutOrBuilder getLayoutOrBuilder(int index);
+
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  boolean hasDocumentDimensions();
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  com.google.cloud.automl.v1beta1.DocumentDimensions getDocumentDimensions();
+  /**
+   *
+   *
+   * 
+   * The dimensions of the page in the document.
+   * 

+   *
+   * .google.cloud.automl.v1beta1.DocumentDimensions document_dimensions = 4;
+   */
+  com.google.cloud.automl.v1beta1.DocumentDimensionsOrBuilder getDocumentDimensionsOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * Number of pages in the document.
+   * 

+   *
+   * int32 page_count = 5;
+   */
+  int getPageCount();
 }
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/InputConfig.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/InputConfig.java
index 8616ea0f3e9b..388c873bda34 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/InputConfig.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/InputConfig.java
@@ -116,7 +116,8 @@
  *         CSV file(s) with each line in format:
  *           ML_USE,GCS_FILE_PATH
  *           GCS_FILE_PATH leads to a .JSONL (that is, JSON Lines) file which
- *           either imports text in-line or as documents.
+ *           either imports text in-line or as documents. Any given
+ *           .JSONL file must be 100MB or smaller.
  *           The in-line .JSONL file contains, per line, a proto that wraps a
  *           TextSnippet proto (in json representation) followed by one or more
  *           AnnotationPayload protos (called annotations), which have
@@ -124,12 +125,16 @@
  *           is expected to be annotated exhaustively, for example, if you look
  *           for animals and text contains "dolphin" that is not labeled, then
  *           "dolphin" is assumed to not be an animal. Any given text snippet
- *           content must have 30,000 characters or less,  and also be UTF-8 NFC
- *           encoded (ASCII already is).           The document .JSONL file contains, per line, a proto that wraps a
- *           Document proto with input_config set. Only PDF documents are
- *           supported now, and each document may be up to 2MB large. Currently
- *           annotations on documents cannot be specified at import. Any given
- *           .JSONL file must be 100MB or smaller.
+ *           content must be 10KB or smaller, and also be UTF-8 NFC encoded
+ *           (ASCII already is).
+ *           The document .JSONL file contains, per line, a proto that wraps a
+ *           Document proto. The Document proto must have either document_text
+ *           or input_config set. In document_text case, the Document proto may
+ *           also contain the spatial information of the document, including
+ *           layout, document dimension and page number. In input_config case,
+ *           only PDF documents are supported now, and each document may be up
+ *           to 2MB large. Currently, annotations on documents cannot be
+ *           specified at import.
  *         Three sample CSV rows:
  *           TRAIN,gs://folder/file1.jsonl
  *           VALIDATE,gs://folder/file2.jsonl
@@ -138,27 +143,60 @@
  *         with artificial line breaks, but the only actual line break is
  *         denoted by \n).:
  *           {
- *             "text_snippet": {
- *               "content": "dog car cat"
- *             }             "annotations": [
- *               {
- *                 "display_name": "animal",
- *                 "text_extraction": {
- *                   "text_segment": {"start_offset": 0, "end_offset": 3}
+ *             "document": {
+ *               "document_text": {"content": "dog cat"}
+ *               "layout": [
+ *                 {
+ *                   "text_segment": {
+ *                     "start_offset": 0,
+ *                     "end_offset": 3,
+ *                   },
+ *                   "page_number": 1,
+ *                   "bounding_poly": {
+ *                     "normalized_vertices": [
+ *                       {"x": 0.1, "y": 0.1},
+ *                       {"x": 0.1, "y": 0.3},
+ *                       {"x": 0.3, "y": 0.3},
+ *                       {"x": 0.3, "y": 0.1},
+ *                     ],
+ *                   },
+ *                   "text_segment_type": TOKEN,
+ *                 },
+ *                 {
+ *                   "text_segment": {
+ *                     "start_offset": 4,
+ *                     "end_offset": 7,
+ *                   },
+ *                   "page_number": 1,
+ *                   "bounding_poly": {
+ *                     "normalized_vertices": [
+ *                       {"x": 0.4, "y": 0.1},
+ *                       {"x": 0.4, "y": 0.3},
+ *                       {"x": 0.8, "y": 0.3},
+ *                       {"x": 0.8, "y": 0.1},
+ *                     ],
+ *                   },
+ *                   "text_segment_type": TOKEN,
  *                 }
- *               },
+ *               ],
+ *               "document_dimensions": {
+ *                 "width": 8.27,
+ *                 "height": 11.69,
+ *                 "unit": INCH,
+ *               }
+ *               "page_count": 1,
+ *             },
+ *             "annotations": [
  *               {
- *                 "display_name": "vehicle",
- *                 "text_extraction": {
- *                   "text_segment": {"start_offset": 4, "end_offset": 7}
- *                 }
+ *                 "display_name": "animal",
+ *                 "text_extraction": {"text_segment": {"start_offset": 0,
+ *                 "end_offset": 3}}
  *               },
  *               {
  *                 "display_name": "animal",
- *                 "text_extraction": {
- *                   "text_segment": {"start_offset": 8, "end_offset": 11}
- *                 }
- *               },
+ *                 "text_extraction": {"text_segment": {"start_offset": 4,
+ *                 "end_offset": 7}}
+ *               }
  *             ],
  *           }\n
  *           {
@@ -1016,7 +1054,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *         CSV file(s) with each line in format:
    *           ML_USE,GCS_FILE_PATH
    *           GCS_FILE_PATH leads to a .JSONL (that is, JSON Lines) file which
-   *           either imports text in-line or as documents.
+   *           either imports text in-line or as documents. Any given
+   *           .JSONL file must be 100MB or smaller.
    *           The in-line .JSONL file contains, per line, a proto that wraps a
    *           TextSnippet proto (in json representation) followed by one or more
    *           AnnotationPayload protos (called annotations), which have
@@ -1024,12 +1063,16 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *           is expected to be annotated exhaustively, for example, if you look
    *           for animals and text contains "dolphin" that is not labeled, then
    *           "dolphin" is assumed to not be an animal. Any given text snippet
-   *           content must have 30,000 characters or less,  and also be UTF-8 NFC
-   *           encoded (ASCII already is).           The document .JSONL file contains, per line, a proto that wraps a
-   *           Document proto with input_config set. Only PDF documents are
-   *           supported now, and each document may be up to 2MB large. Currently
-   *           annotations on documents cannot be specified at import. Any given
-   *           .JSONL file must be 100MB or smaller.
+   *           content must be 10KB or smaller, and also be UTF-8 NFC encoded
+   *           (ASCII already is).
+   *           The document .JSONL file contains, per line, a proto that wraps a
+   *           Document proto. The Document proto must have either document_text
+   *           or input_config set. In document_text case, the Document proto may
+   *           also contain the spatial information of the document, including
+   *           layout, document dimension and page number. In input_config case,
+   *           only PDF documents are supported now, and each document may be up
+   *           to 2MB large. Currently, annotations on documents cannot be
+   *           specified at import.
    *         Three sample CSV rows:
    *           TRAIN,gs://folder/file1.jsonl
    *           VALIDATE,gs://folder/file2.jsonl
@@ -1038,27 +1081,60 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *         with artificial line breaks, but the only actual line break is
    *         denoted by \n).:
    *           {
-   *             "text_snippet": {
-   *               "content": "dog car cat"
-   *             }             "annotations": [
-   *               {
-   *                 "display_name": "animal",
-   *                 "text_extraction": {
-   *                   "text_segment": {"start_offset": 0, "end_offset": 3}
+   *             "document": {
+   *               "document_text": {"content": "dog cat"}
+   *               "layout": [
+   *                 {
+   *                   "text_segment": {
+   *                     "start_offset": 0,
+   *                     "end_offset": 3,
+   *                   },
+   *                   "page_number": 1,
+   *                   "bounding_poly": {
+   *                     "normalized_vertices": [
+   *                       {"x": 0.1, "y": 0.1},
+   *                       {"x": 0.1, "y": 0.3},
+   *                       {"x": 0.3, "y": 0.3},
+   *                       {"x": 0.3, "y": 0.1},
+   *                     ],
+   *                   },
+   *                   "text_segment_type": TOKEN,
+   *                 },
+   *                 {
+   *                   "text_segment": {
+   *                     "start_offset": 4,
+   *                     "end_offset": 7,
+   *                   },
+   *                   "page_number": 1,
+   *                   "bounding_poly": {
+   *                     "normalized_vertices": [
+   *                       {"x": 0.4, "y": 0.1},
+   *                       {"x": 0.4, "y": 0.3},
+   *                       {"x": 0.8, "y": 0.3},
+   *                       {"x": 0.8, "y": 0.1},
+   *                     ],
+   *                   },
+   *                   "text_segment_type": TOKEN,
    *                 }
-   *               },
+   *               ],
+   *               "document_dimensions": {
+   *                 "width": 8.27,
+   *                 "height": 11.69,
+   *                 "unit": INCH,
+   *               }
+   *               "page_count": 1,
+   *             },
+   *             "annotations": [
    *               {
-   *                 "display_name": "vehicle",
-   *                 "text_extraction": {
-   *                   "text_segment": {"start_offset": 4, "end_offset": 7}
-   *                 }
+   *                 "display_name": "animal",
+   *                 "text_extraction": {"text_segment": {"start_offset": 0,
+   *                 "end_offset": 3}}
    *               },
    *               {
    *                 "display_name": "animal",
-   *                 "text_extraction": {
-   *                   "text_segment": {"start_offset": 8, "end_offset": 11}
-   *                 }
-   *               },
+   *                 "text_extraction": {"text_segment": {"start_offset": 4,
+   *                 "end_offset": 7}}
+   *               }
    *             ],
    *           }\n
    *           {
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictRequest.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictRequest.java
index dab002751cf8..03084085807f 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictRequest.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictRequest.java
@@ -7,7 +7,8 @@
  *
  *
  * 
- * Request message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+ * Request message for
+ * [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
  * 

  *
  * Protobuf type {@code google.cloud.automl.v1beta1.PredictRequest}
@@ -578,7 +579,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    *
    * 
-   * Request message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+   * Request message for
+   * [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
    * 

    *
    * Protobuf type {@code google.cloud.automl.v1beta1.PredictRequest}
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponse.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponse.java
index 5842f1401db2..e6e3c0574d91 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponse.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponse.java
@@ -7,7 +7,8 @@
  *
  *
  * 
- * Response message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+ * Response message for
+ * [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
  * 

  *
  * Protobuf type {@code google.cloud.automl.v1beta1.PredictResponse}
@@ -65,17 +66,33 @@ private PredictResponse(
             }
           case 18:
             {
-              if (!((mutable_bitField0_ & 0x00000002) != 0)) {
+              if (!((mutable_bitField0_ & 0x00000004) != 0)) {
                 metadata_ =
                     com.google.protobuf.MapField.newMapField(
                         MetadataDefaultEntryHolder.defaultEntry);
-                mutable_bitField0_ |= 0x00000002;
+                mutable_bitField0_ |= 0x00000004;
               }
               com.google.protobuf.MapEntry metadata__ =
                   input.readMessage(
                       MetadataDefaultEntryHolder.defaultEntry.getParserForType(),
                       extensionRegistry);
               metadata_.getMutableMap().put(metadata__.getKey(), metadata__.getValue());
+              break;
+            }
+          case 26:
+            {
+              com.google.cloud.automl.v1beta1.ExamplePayload.Builder subBuilder = null;
+              if (preprocessedInput_ != null) {
+                subBuilder = preprocessedInput_.toBuilder();
+              }
+              preprocessedInput_ =
+                  input.readMessage(
+                      com.google.cloud.automl.v1beta1.ExamplePayload.parser(), extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(preprocessedInput_);
+                preprocessedInput_ = subBuilder.buildPartial();
+              }
+
               break;
             }
           default:
@@ -126,6 +143,7 @@ protected com.google.protobuf.MapField internalGetMapField(int number) {
             com.google.cloud.automl.v1beta1.PredictResponse.Builder.class);
   }
 
+  private int bitField0_;
   public static final int PAYLOAD_FIELD_NUMBER = 1;
   private java.util.List payload_;
   /**
@@ -195,6 +213,59 @@ public com.google.cloud.automl.v1beta1.AnnotationPayloadOrBuilder getPayloadOrBu
     return payload_.get(index);
   }
 
+  public static final int PREPROCESSED_INPUT_FIELD_NUMBER = 3;
+  private com.google.cloud.automl.v1beta1.ExamplePayload preprocessedInput_;
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  public boolean hasPreprocessedInput() {
+    return preprocessedInput_ != null;
+  }
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  public com.google.cloud.automl.v1beta1.ExamplePayload getPreprocessedInput() {
+    return preprocessedInput_ == null
+        ? com.google.cloud.automl.v1beta1.ExamplePayload.getDefaultInstance()
+        : preprocessedInput_;
+  }
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  public com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder getPreprocessedInputOrBuilder() {
+    return getPreprocessedInput();
+  }
+
   public static final int METADATA_FIELD_NUMBER = 2;
 
   private static final class MetadataDefaultEntryHolder {
@@ -356,6 +427,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     }
     com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
         output, internalGetMetadata(), MetadataDefaultEntryHolder.defaultEntry, 2);
+    if (preprocessedInput_ != null) {
+      output.writeMessage(3, getPreprocessedInput());
+    }
     unknownFields.writeTo(output);
   }
 
@@ -378,6 +452,9 @@ public int getSerializedSize() {
               .build();
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, metadata__);
     }
+    if (preprocessedInput_ != null) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getPreprocessedInput());
+    }
     size += unknownFields.getSerializedSize();
     memoizedSize = size;
     return size;
@@ -395,6 +472,10 @@ public boolean equals(final java.lang.Object obj) {
         (com.google.cloud.automl.v1beta1.PredictResponse) obj;
 
     if (!getPayloadList().equals(other.getPayloadList())) return false;
+    if (hasPreprocessedInput() != other.hasPreprocessedInput()) return false;
+    if (hasPreprocessedInput()) {
+      if (!getPreprocessedInput().equals(other.getPreprocessedInput())) return false;
+    }
     if (!internalGetMetadata().equals(other.internalGetMetadata())) return false;
     if (!unknownFields.equals(other.unknownFields)) return false;
     return true;
@@ -411,6 +492,10 @@ public int hashCode() {
       hash = (37 * hash) + PAYLOAD_FIELD_NUMBER;
       hash = (53 * hash) + getPayloadList().hashCode();
     }
+    if (hasPreprocessedInput()) {
+      hash = (37 * hash) + PREPROCESSED_INPUT_FIELD_NUMBER;
+      hash = (53 * hash) + getPreprocessedInput().hashCode();
+    }
     if (!internalGetMetadata().getMap().isEmpty()) {
       hash = (37 * hash) + METADATA_FIELD_NUMBER;
       hash = (53 * hash) + internalGetMetadata().hashCode();
@@ -519,7 +604,8 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    *
    * 
-   * Response message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+   * Response message for
+   * [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
    * 

    *
    * Protobuf type {@code google.cloud.automl.v1beta1.PredictResponse}
@@ -588,6 +674,12 @@ public Builder clear() {
       } else {
         payloadBuilder_.clear();
       }
+      if (preprocessedInputBuilder_ == null) {
+        preprocessedInput_ = null;
+      } else {
+        preprocessedInput_ = null;
+        preprocessedInputBuilder_ = null;
+      }
       internalGetMutableMetadata().clear();
       return this;
     }
@@ -617,6 +709,7 @@ public com.google.cloud.automl.v1beta1.PredictResponse buildPartial() {
       com.google.cloud.automl.v1beta1.PredictResponse result =
           new com.google.cloud.automl.v1beta1.PredictResponse(this);
       int from_bitField0_ = bitField0_;
+      int to_bitField0_ = 0;
       if (payloadBuilder_ == null) {
         if (((bitField0_ & 0x00000001) != 0)) {
           payload_ = java.util.Collections.unmodifiableList(payload_);
@@ -626,8 +719,14 @@ public com.google.cloud.automl.v1beta1.PredictResponse buildPartial() {
       } else {
         result.payload_ = payloadBuilder_.build();
       }
+      if (preprocessedInputBuilder_ == null) {
+        result.preprocessedInput_ = preprocessedInput_;
+      } else {
+        result.preprocessedInput_ = preprocessedInputBuilder_.build();
+      }
       result.metadata_ = internalGetMetadata();
       result.metadata_.makeImmutable();
+      result.bitField0_ = to_bitField0_;
       onBuilt();
       return result;
     }
@@ -705,6 +804,9 @@ public Builder mergeFrom(com.google.cloud.automl.v1beta1.PredictResponse other)
           }
         }
       }
+      if (other.hasPreprocessedInput()) {
+        mergePreprocessedInput(other.getPreprocessedInput());
+      }
       internalGetMutableMetadata().mergeFrom(other.internalGetMetadata());
       this.mergeUnknownFields(other.unknownFields);
       onChanged();
@@ -1108,6 +1210,224 @@ public com.google.cloud.automl.v1beta1.AnnotationPayload.Builder addPayloadBuild
       return payloadBuilder_;
     }
 
+    private com.google.cloud.automl.v1beta1.ExamplePayload preprocessedInput_;
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.ExamplePayload,
+            com.google.cloud.automl.v1beta1.ExamplePayload.Builder,
+            com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder>
+        preprocessedInputBuilder_;
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public boolean hasPreprocessedInput() {
+      return preprocessedInputBuilder_ != null || preprocessedInput_ != null;
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public com.google.cloud.automl.v1beta1.ExamplePayload getPreprocessedInput() {
+      if (preprocessedInputBuilder_ == null) {
+        return preprocessedInput_ == null
+            ? com.google.cloud.automl.v1beta1.ExamplePayload.getDefaultInstance()
+            : preprocessedInput_;
+      } else {
+        return preprocessedInputBuilder_.getMessage();
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public Builder setPreprocessedInput(com.google.cloud.automl.v1beta1.ExamplePayload value) {
+      if (preprocessedInputBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        preprocessedInput_ = value;
+        onChanged();
+      } else {
+        preprocessedInputBuilder_.setMessage(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public Builder setPreprocessedInput(
+        com.google.cloud.automl.v1beta1.ExamplePayload.Builder builderForValue) {
+      if (preprocessedInputBuilder_ == null) {
+        preprocessedInput_ = builderForValue.build();
+        onChanged();
+      } else {
+        preprocessedInputBuilder_.setMessage(builderForValue.build());
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public Builder mergePreprocessedInput(com.google.cloud.automl.v1beta1.ExamplePayload value) {
+      if (preprocessedInputBuilder_ == null) {
+        if (preprocessedInput_ != null) {
+          preprocessedInput_ =
+              com.google.cloud.automl.v1beta1.ExamplePayload.newBuilder(preprocessedInput_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          preprocessedInput_ = value;
+        }
+        onChanged();
+      } else {
+        preprocessedInputBuilder_.mergeFrom(value);
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public Builder clearPreprocessedInput() {
+      if (preprocessedInputBuilder_ == null) {
+        preprocessedInput_ = null;
+        onChanged();
+      } else {
+        preprocessedInput_ = null;
+        preprocessedInputBuilder_ = null;
+      }
+
+      return this;
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public com.google.cloud.automl.v1beta1.ExamplePayload.Builder getPreprocessedInputBuilder() {
+
+      onChanged();
+      return getPreprocessedInputFieldBuilder().getBuilder();
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    public com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder getPreprocessedInputOrBuilder() {
+      if (preprocessedInputBuilder_ != null) {
+        return preprocessedInputBuilder_.getMessageOrBuilder();
+      } else {
+        return preprocessedInput_ == null
+            ? com.google.cloud.automl.v1beta1.ExamplePayload.getDefaultInstance()
+            : preprocessedInput_;
+      }
+    }
+    /**
+     *
+     *
+     * 
+     * The preprocessed example that AutoML actually makes prediction on.
+     * Empty if AutoML does not preprocess the input example.
+     * * For Text Extraction:
+     *   If the input is a .pdf file, the OCR'ed text will be provided in
+     *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+     * 

+     *
+     * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+     */
+    private com.google.protobuf.SingleFieldBuilderV3<
+            com.google.cloud.automl.v1beta1.ExamplePayload,
+            com.google.cloud.automl.v1beta1.ExamplePayload.Builder,
+            com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder>
+        getPreprocessedInputFieldBuilder() {
+      if (preprocessedInputBuilder_ == null) {
+        preprocessedInputBuilder_ =
+            new com.google.protobuf.SingleFieldBuilderV3<
+                com.google.cloud.automl.v1beta1.ExamplePayload,
+                com.google.cloud.automl.v1beta1.ExamplePayload.Builder,
+                com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder>(
+                getPreprocessedInput(), getParentForChildren(), isClean());
+        preprocessedInput_ = null;
+      }
+      return preprocessedInputBuilder_;
+    }
+
     private com.google.protobuf.MapField metadata_;
 
     private com.google.protobuf.MapField internalGetMetadata() {
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponseOrBuilder.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponseOrBuilder.java
index 5e616f7133f1..517c501d104e 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponseOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictResponseOrBuilder.java
@@ -65,6 +65,49 @@ public interface PredictResponseOrBuilder
    */
   com.google.cloud.automl.v1beta1.AnnotationPayloadOrBuilder getPayloadOrBuilder(int index);
 
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  boolean hasPreprocessedInput();
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  com.google.cloud.automl.v1beta1.ExamplePayload getPreprocessedInput();
+  /**
+   *
+   *
+   * 
+   * The preprocessed example that AutoML actually makes prediction on.
+   * Empty if AutoML does not preprocess the input example.
+   * * For Text Extraction:
+   *   If the input is a .pdf file, the OCR'ed text will be provided in
+   *   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+   * 

+   *
+   * .google.cloud.automl.v1beta1.ExamplePayload preprocessed_input = 3;
+   */
+  com.google.cloud.automl.v1beta1.ExamplePayloadOrBuilder getPreprocessedInputOrBuilder();
+
   /**
    *
    *
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceProto.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceProto.java
index 3629e484b030..9094cd586b1a 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceProto.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/PredictionServiceProto.java
@@ -55,52 +55,54 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
     java.lang.String[] descriptorData = {
       "\n4google/cloud/automl/v1beta1/prediction"
           + "_service.proto\022\033google.cloud.automl.v1be"
-          + "ta1\032\034google/api/annotations.proto\0324googl"
-          + "e/cloud/automl/v1beta1/annotation_payloa"
-          + "d.proto\032,google/cloud/automl/v1beta1/dat"
-          + "a_items.proto\032$google/cloud/automl/v1bet"
-          + "a1/io.proto\032,google/cloud/automl/v1beta1"
-          + "/operations.proto\032#google/longrunning/op"
-          + "erations.proto\032\027google/api/client.proto\""
+          + "ta1\032\034google/api/annotations.proto\032\027googl"
+          + "e/api/client.proto\0324google/cloud/automl/"
+          + "v1beta1/annotation_payload.proto\032,google"
+          + "/cloud/automl/v1beta1/data_items.proto\032$"
+          + "google/cloud/automl/v1beta1/io.proto\032,go"
+          + "ogle/cloud/automl/v1beta1/operations.pro"
+          + "to\032#google/longrunning/operations.proto\""
           + "\324\001\n\016PredictRequest\022\014\n\004name\030\001 \001(\t\022<\n\007payl"
           + "oad\030\002 \001(\0132+.google.cloud.automl.v1beta1."
           + "ExamplePayload\022G\n\006params\030\003 \003(\01327.google."
           + "cloud.automl.v1beta1.PredictRequest.Para"
           + "msEntry\032-\n\013ParamsEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005v"
-          + "alue\030\002 \001(\t:\0028\001\"\321\001\n\017PredictResponse\022?\n\007pa"
+          + "alue\030\002 \001(\t:\0028\001\"\232\002\n\017PredictResponse\022?\n\007pa"
           + "yload\030\001 \003(\0132..google.cloud.automl.v1beta"
-          + "1.AnnotationPayload\022L\n\010metadata\030\002 \003(\0132:."
-          + "google.cloud.automl.v1beta1.PredictRespo"
-          + "nse.MetadataEntry\032/\n\rMetadataEntry\022\013\n\003ke"
-          + "y\030\001 \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\272\002\n\023BatchPred"
-          + "ictRequest\022\014\n\004name\030\001 \001(\t\022J\n\014input_config"
-          + "\030\003 \001(\01324.google.cloud.automl.v1beta1.Bat"
-          + "chPredictInputConfig\022L\n\routput_config\030\004 "
-          + "\001(\01325.google.cloud.automl.v1beta1.BatchP"
-          + "redictOutputConfig\022L\n\006params\030\005 \003(\0132<.goo"
-          + "gle.cloud.automl.v1beta1.BatchPredictReq"
-          + "uest.ParamsEntry\032-\n\013ParamsEntry\022\013\n\003key\030\001"
-          + " \001(\t\022\r\n\005value\030\002 \001(\t:\0028\001\"\226\001\n\022BatchPredict"
-          + "Result\022O\n\010metadata\030\001 \003(\0132=.google.cloud."
-          + "automl.v1beta1.BatchPredictResult.Metada"
-          + "taEntry\032/\n\rMetadataEntry\022\013\n\003key\030\001 \001(\t\022\r\n"
-          + "\005value\030\002 \001(\t:\0028\0012\264\003\n\021PredictionService\022\250"
-          + "\001\n\007Predict\022+.google.cloud.automl.v1beta1"
-          + ".PredictRequest\032,.google.cloud.automl.v1"
-          + "beta1.PredictResponse\"B\202\323\344\223\002<\"7/v1beta1/"
-          + "{name=projects/*/locations/*/models/*}:p"
-          + "redict:\001*\022\250\001\n\014BatchPredict\0220.google.clou"
-          + "d.automl.v1beta1.BatchPredictRequest\032\035.g"
-          + "oogle.longrunning.Operation\"G\202\323\344\223\002A\"
-   * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-   * values are "text/html" and "text/plain". If left blank, the format is
-   * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+   * Optional. The format of
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+   * only two allowed values are "text/html" and "text/plain". If left blank,
+   * the format is automatically determined from the type of the uploaded
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content].
    * 

    *
    * string mime_type = 2;
@@ -180,9 +182,11 @@ public java.lang.String getMimeType() {
    *
    *
    * 
-   * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-   * values are "text/html" and "text/plain". If left blank, the format is
-   * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+   * Optional. The format of
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+   * only two allowed values are "text/html" and "text/plain". If left blank,
+   * the format is automatically determined from the type of the uploaded
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content].
    * 

    *
    * string mime_type = 2;
@@ -694,9 +698,11 @@ public Builder setContentBytes(com.google.protobuf.ByteString value) {
      *
      *
      * 
-     * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-     * values are "text/html" and "text/plain". If left blank, the format is
-     * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+     * Optional. The format of
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+     * only two allowed values are "text/html" and "text/plain". If left blank,
+     * the format is automatically determined from the type of the uploaded
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content].
      * 

      *
      * string mime_type = 2;
@@ -716,9 +722,11 @@ public java.lang.String getMimeType() {
      *
      *
      * 
-     * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-     * values are "text/html" and "text/plain". If left blank, the format is
-     * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+     * Optional. The format of
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+     * only two allowed values are "text/html" and "text/plain". If left blank,
+     * the format is automatically determined from the type of the uploaded
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content].
      * 

      *
      * string mime_type = 2;
@@ -738,9 +746,11 @@ public com.google.protobuf.ByteString getMimeTypeBytes() {
      *
      *
      * 
-     * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-     * values are "text/html" and "text/plain". If left blank, the format is
-     * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+     * Optional. The format of
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+     * only two allowed values are "text/html" and "text/plain". If left blank,
+     * the format is automatically determined from the type of the uploaded
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content].
      * 

      *
      * string mime_type = 2;
@@ -758,9 +768,11 @@ public Builder setMimeType(java.lang.String value) {
      *
      *
      * 
-     * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-     * values are "text/html" and "text/plain". If left blank, the format is
-     * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+     * Optional. The format of
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+     * only two allowed values are "text/html" and "text/plain". If left blank,
+     * the format is automatically determined from the type of the uploaded
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content].
      * 

      *
      * string mime_type = 2;
@@ -775,9 +787,11 @@ public Builder clearMimeType() {
      *
      *
      * 
-     * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-     * values are "text/html" and "text/plain". If left blank, the format is
-     * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+     * Optional. The format of
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+     * only two allowed values are "text/html" and "text/plain". If left blank,
+     * the format is automatically determined from the type of the uploaded
+     * [content][google.cloud.automl.v1beta1.TextSnippet.content].
      * 

      *
      * string mime_type = 2;
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/TextSnippetOrBuilder.java b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/TextSnippetOrBuilder.java
index 1ef5984df35b..786549431755 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/TextSnippetOrBuilder.java
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/java/com/google/cloud/automl/v1beta1/TextSnippetOrBuilder.java
@@ -35,9 +35,11 @@ public interface TextSnippetOrBuilder
    *
    *
    * 
-   * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-   * values are "text/html" and "text/plain". If left blank, the format is
-   * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+   * Optional. The format of
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+   * only two allowed values are "text/html" and "text/plain". If left blank,
+   * the format is automatically determined from the type of the uploaded
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content].
    * 

    *
    * string mime_type = 2;
@@ -47,9 +49,11 @@ public interface TextSnippetOrBuilder
    *
    *
    * 
-   * Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-   * values are "text/html" and "text/plain". If left blank, the format is
-   * automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+   * Optional. The format of
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+   * only two allowed values are "text/html" and "text/plain". If left blank,
+   * the format is automatically determined from the type of the uploaded
+   * [content][google.cloud.automl.v1beta1.TextSnippet.content].
    * 

    *
    * string mime_type = 2;
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/data_items.proto b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/data_items.proto
index fec75d3bbd73..fdbea7042d84 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/data_items.proto
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/data_items.proto
@@ -17,11 +17,13 @@ syntax = "proto3";
 
 package google.cloud.automl.v1beta1;
 
+import "google/api/annotations.proto";
+import "google/cloud/automl/v1beta1/geometry.proto";
 import "google/cloud/automl/v1beta1/io.proto";
+import "google/cloud/automl/v1beta1/text_segment.proto";
 import "google/protobuf/any.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/struct.proto";
-import "google/api/annotations.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/automl/v1beta1;automl";
 option java_multiple_files = true;
@@ -56,19 +58,135 @@ message TextSnippet {
   // characters long.
   string content = 1;
 
-  // Optional. The format of [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the only two allowed
-  // values are "text/html" and "text/plain". If left blank, the format is
-  // automatically determined from the type of the uploaded [content][google.cloud.automl.v1beta1.TextSnippet.content].
+  // Optional. The format of
+  // [content][google.cloud.automl.v1beta1.TextSnippet.content]. Currently the
+  // only two allowed values are "text/html" and "text/plain". If left blank,
+  // the format is automatically determined from the type of the uploaded
+  // [content][google.cloud.automl.v1beta1.TextSnippet.content].
   string mime_type = 2;
 
   // Output only. HTTP URI where you can download the content.
   string content_uri = 4;
 }
 
+// Message that describes dimension of a document.
+message DocumentDimensions {
+  // Unit of the document dimension.
+  enum DocumentDimensionUnit {
+    // Should not be used.
+    DOCUMENT_DIMENSION_UNIT_UNSPECIFIED = 0;
+
+    // Document dimension is measured in inches.
+    INCH = 1;
+
+    // Document dimension is measured in centimeters.
+    CENTIMETER = 2;
+
+    // Document dimension is measured in points. 72 points = 1 inch.
+    POINT = 3;
+  }
+
+  // Unit of the dimension.
+  DocumentDimensionUnit unit = 1;
+
+  // Width value of the document, works together with the unit.
+  float width = 2;
+
+  // Height value of the document, works together with the unit.
+  float height = 3;
+}
+
 // A structured text document e.g. a PDF.
 message Document {
+  // Describes the layout information of a
+  // [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment] in
+  // the document.
+  message Layout {
+    // The type of TextSegment in the context of the original document.
+    enum TextSegmentType {
+      // Should not be used.
+      TEXT_SEGMENT_TYPE_UNSPECIFIED = 0;
+
+      // The text segment is a token. e.g. word.
+      TOKEN = 1;
+
+      // The text segment is a paragraph.
+      PARAGRAPH = 2;
+
+      // The text segment is a form field.
+      FORM_FIELD = 3;
+
+      // The text segment is the name part of a form field. It will be treated
+      // as child of another FORM_FIELD TextSegment if its span is subspan of
+      // another TextSegment with type FORM_FIELD.
+      FORM_FIELD_NAME = 4;
+
+      // The text segment is the text content part of a form field. It will be
+      // treated as child of another FORM_FIELD TextSegment if its span is
+      // subspan of another TextSegment with type FORM_FIELD.
+      FORM_FIELD_CONTENTS = 5;
+
+      // The text segment is a whole table, including headers, and all rows.
+      TABLE = 6;
+
+      // The text segment is a table's headers. It will be treated as child of
+      // another TABLE TextSegment if its span is subspan of another TextSegment
+      // with type TABLE.
+      TABLE_HEADER = 7;
+
+      // The text segment is a row in table. It will be treated as child of
+      // another TABLE TextSegment if its span is subspan of another TextSegment
+      // with type TABLE.
+      TABLE_ROW = 8;
+
+      // The text segment is a cell in table. It will be treated as child of
+      // another TABLE_ROW TextSegment if its span is subspan of another
+      // TextSegment with type TABLE_ROW.
+      TABLE_CELL = 9;
+    }
+
+    // Text Segment that represents a segment in
+    // [document_text][google.cloud.automl.v1beta1.Document.document_text].
+    TextSegment text_segment = 1;
+
+    // Page number of the
+    // [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+    // in the original document, starts from 1.
+    int32 page_number = 2;
+
+    // The position of the
+    // [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+    // in the page. Contains exactly 4
+    //
+    // [normalized_vertices][google.cloud.automl.v1beta1.BoundingPoly.normalized_vertices]
+    // and they are connected by edges in the order provided, which will
+    // represent a rectangle parallel to the frame. The
+    // [NormalizedVertex-s][google.cloud.automl.v1beta1.NormalizedVertex] are
+    // relative to the page.
+    // Coordinates are based on top-left as point (0,0).
+    BoundingPoly bounding_poly = 3;
+
+    // The type of the
+    // [text_segment][google.cloud.automl.v1beta1.Document.Layout.text_segment]
+    // in document.
+    TextSegmentType text_segment_type = 4;
+  }
+
   // An input config specifying the content of the document.
   DocumentInputConfig input_config = 1;
+
+  // The plain text version of this document.
+  TextSnippet document_text = 2;
+
+  // Describes the layout of the document.
+  // Sorted by [page_number][].
+  repeated Layout layout = 3;
+
+  // The dimensions of the page in the document.
+  DocumentDimensions document_dimensions = 4;
+
+  // Number of pages in the document.
+  int32 page_count = 5;
 }
 
 // A representation of a row in a relational table.
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/io.proto b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/io.proto
index c08edc277474..6f007f02a10d 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/io.proto
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/io.proto
@@ -140,7 +140,8 @@ option ruby_package = "Google::Cloud::AutoML::V1beta1";
 //         CSV file(s) with each line in format:
 //           ML_USE,GCS_FILE_PATH
 //           GCS_FILE_PATH leads to a .JSONL (that is, JSON Lines) file which
-//           either imports text in-line or as documents.
+//           either imports text in-line or as documents. Any given
+//           .JSONL file must be 100MB or smaller.
 //           The in-line .JSONL file contains, per line, a proto that wraps a
 //           TextSnippet proto (in json representation) followed by one or more
 //           AnnotationPayload protos (called annotations), which have
@@ -148,12 +149,16 @@ option ruby_package = "Google::Cloud::AutoML::V1beta1";
 //           is expected to be annotated exhaustively, for example, if you look
 //           for animals and text contains "dolphin" that is not labeled, then
 //           "dolphin" is assumed to not be an animal. Any given text snippet
-//           content must have 30,000 characters or less,  and also be UTF-8 NFC
-//           encoded (ASCII already is).           The document .JSONL file contains, per line, a proto that wraps a
-//           Document proto with input_config set. Only PDF documents are
-//           supported now, and each document may be up to 2MB large. Currently
-//           annotations on documents cannot be specified at import. Any given
-//           .JSONL file must be 100MB or smaller.
+//           content must be 10KB or smaller, and also be UTF-8 NFC encoded
+//           (ASCII already is).
+//           The document .JSONL file contains, per line, a proto that wraps a
+//           Document proto. The Document proto must have either document_text
+//           or input_config set. In document_text case, the Document proto may
+//           also contain the spatial information of the document, including
+//           layout, document dimension and page number. In input_config case,
+//           only PDF documents are supported now, and each document may be up
+//           to 2MB large. Currently, annotations on documents cannot be
+//           specified at import.
 //         Three sample CSV rows:
 //           TRAIN,gs://folder/file1.jsonl
 //           VALIDATE,gs://folder/file2.jsonl
@@ -162,27 +167,61 @@ option ruby_package = "Google::Cloud::AutoML::V1beta1";
 //         with artificial line breaks, but the only actual line break is
 //         denoted by \n).:
 //           {
-//             "text_snippet": {
-//               "content": "dog car cat"
-//             }             "annotations": [
-//               {
-//                 "display_name": "animal",
-//                 "text_extraction": {
-//                   "text_segment": {"start_offset": 0, "end_offset": 3}
+//             "document": {
+//               "document_text": {"content": "dog cat"}
+//               "layout": [
+//                 {
+//                   "text_segment": {
+//                     "start_offset": 0,
+//                     "end_offset": 3,
+//                   },
+//                   "page_number": 1,
+//                   "bounding_poly": {
+//                     "normalized_vertices": [
+//                       {"x": 0.1, "y": 0.1},
+//                       {"x": 0.1, "y": 0.3},
+//                       {"x": 0.3, "y": 0.3},
+//                       {"x": 0.3, "y": 0.1},
+//                     ],
+//                   },
+//                   "text_segment_type": TOKEN,
+//                 },
+//                 {
+//                   "text_segment": {
+//                     "start_offset": 4,
+//                     "end_offset": 7,
+//                   },
+//                   "page_number": 1,
+//                   "bounding_poly": {
+//                     "normalized_vertices": [
+//                       {"x": 0.4, "y": 0.1},
+//                       {"x": 0.4, "y": 0.3},
+//                       {"x": 0.8, "y": 0.3},
+//                       {"x": 0.8, "y": 0.1},
+//                     ],
+//                   },
+//                   "text_segment_type": TOKEN,
 //                 }
-//               },
+//
+//               ],
+//               "document_dimensions": {
+//                 "width": 8.27,
+//                 "height": 11.69,
+//                 "unit": INCH,
+//               }
+//               "page_count": 1,
+//             },
+//             "annotations": [
 //               {
-//                 "display_name": "vehicle",
-//                 "text_extraction": {
-//                   "text_segment": {"start_offset": 4, "end_offset": 7}
-//                 }
+//                 "display_name": "animal",
+//                 "text_extraction": {"text_segment": {"start_offset": 0,
+//                 "end_offset": 3}}
 //               },
 //               {
 //                 "display_name": "animal",
-//                 "text_extraction": {
-//                   "text_segment": {"start_offset": 8, "end_offset": 11}
-//                 }
-//               },
+//                 "text_extraction": {"text_segment": {"start_offset": 4,
+//                 "end_offset": 7}}
+//               }
 //             ],
 //           }\n
 //           {
diff --git a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/prediction_service.proto b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/prediction_service.proto
index 243849213e38..57f1b794e716 100644
--- a/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/prediction_service.proto
+++ b/google-api-grpc/proto-google-cloud-automl-v1beta1/src/main/proto/google/cloud/automl/v1beta1/prediction_service.proto
@@ -18,12 +18,12 @@ syntax = "proto3";
 package google.cloud.automl.v1beta1;
 
 import "google/api/annotations.proto";
+import "google/api/client.proto";
 import "google/cloud/automl/v1beta1/annotation_payload.proto";
 import "google/cloud/automl/v1beta1/data_items.proto";
 import "google/cloud/automl/v1beta1/io.proto";
 import "google/cloud/automl/v1beta1/operations.proto";
 import "google/longrunning/operations.proto";
-import "google/api/client.proto";
 
 option go_package = "google.golang.org/genproto/googleapis/cloud/automl/v1beta1;automl";
 option java_multiple_files = true;
@@ -38,7 +38,8 @@ option ruby_package = "Google::Cloud::AutoML::V1beta1";
 // snake_case or kebab-case, either of those cases is accepted.
 service PredictionService {
   option (google.api.default_host) = "automl.googleapis.com";
-  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";
+  option (google.api.oauth_scopes) =
+      "https://www.googleapis.com/auth/cloud-platform";
 
   // Perform an online prediction. The prediction result will be directly
   // returned in the response.
@@ -66,12 +67,14 @@ service PredictionService {
     };
   }
 
-  // Perform a batch prediction. Unlike the online [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
+  // Perform a batch prediction. Unlike the online
+  // [Predict][google.cloud.automl.v1beta1.PredictionService.Predict], batch
   // prediction result won't be immediately available in the response. Instead,
   // a long running operation object is returned. User can poll the operation
   // result via [GetOperation][google.longrunning.Operations.GetOperation]
-  // method. Once the operation is done, [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is returned in
-  // the [response][google.longrunning.Operation.response] field.
+  // method. Once the operation is done,
+  // [BatchPredictResult][google.cloud.automl.v1beta1.BatchPredictResult] is
+  // returned in the [response][google.longrunning.Operation.response] field.
   // Available for following ML problems:
   // * Image Classification
   // * Image Object Detection
@@ -86,7 +89,8 @@ service PredictionService {
   }
 }
 
-// Request message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+// Request message for
+// [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
 message PredictRequest {
   // Name of the model requested to serve the prediction.
   string name = 1;
@@ -122,12 +126,20 @@ message PredictRequest {
   map params = 3;
 }
 
-// Response message for [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
+// Response message for
+// [PredictionService.Predict][google.cloud.automl.v1beta1.PredictionService.Predict].
 message PredictResponse {
   // Prediction result.
   // Translation and Text Sentiment will return precisely one payload.
   repeated AnnotationPayload payload = 1;
 
+  // The preprocessed example that AutoML actually makes prediction on.
+  // Empty if AutoML does not preprocess the input example.
+  // * For Text Extraction:
+  //   If the input is a .pdf file, the OCR'ed text will be provided in
+  //   [document_text][google.cloud.automl.v1beta1.Document.document_text].
+  ExamplePayload preprocessed_input = 3;
+
   // Additional domain-specific prediction response metadata.
   //
   // * For Image Object Detection:
@@ -146,7 +158,8 @@ message PredictResponse {
   map metadata = 2;
 }
 
-// Request message for [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+// Request message for
+// [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
 message BatchPredictRequest {
   // Name of the model requested to serve the batch prediction.
   string name = 1;
@@ -226,7 +239,8 @@ message BatchPredictRequest {
 
 // Result of the Batch Predict. This message is returned in
 // [response][google.longrunning.Operation.response] of the operation returned
-// by the [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
+// by the
+// [PredictionService.BatchPredict][google.cloud.automl.v1beta1.PredictionService.BatchPredict].
 message BatchPredictResult {
   // Additional domain-specific prediction response metadata.
   //
diff --git a/google-cloud-clients/google-cloud-automl/synth.metadata b/google-cloud-clients/google-cloud-automl/synth.metadata
index 3cb2a3528a5c..9bf8c4ca388a 100644
--- a/google-cloud-clients/google-cloud-automl/synth.metadata
+++ b/google-cloud-clients/google-cloud-automl/synth.metadata
@@ -1,5 +1,5 @@
 {
-  "updateTime": "2019-08-10T07:34:50.395372Z",
+  "updateTime": "2019-08-16T07:34:42.877845Z",
   "sources": [
     {
       "generator": {
@@ -12,8 +12,8 @@
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "2a2c5518f64010c4e458afc818e57ed24fecdf6d",
-        "internalRef": "262646243"
+        "sha": "2a02e33c79cbf23d316c57e1c78f915e1d905eee",
+        "internalRef": "263682410"
       }
     }
   ],