Class DocumentsClient (4.58.0)

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DocumentName name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
           "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]");
   Document response = documentsClient.getDocument(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 DocumentsSettings documentsSettings =
     DocumentsSettings.newBuilder()
         .setCredentialsProvider(FixedCredentialsProvider.create(myCredentials))
         .build();
 DocumentsClient documentsClient = DocumentsClient.create(documentsSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 DocumentsSettings documentsSettings =
     DocumentsSettings.newBuilder().setEndpoint(myEndpoint).build();
 DocumentsClient documentsClient = DocumentsClient.create(documentsSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 DocumentsSettings documentsSettings = DocumentsSettings.newHttpJsonBuilder().build();
 DocumentsClient documentsClient = DocumentsClient.create(documentsSettings);
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   CreateDocumentRequest request =
       CreateDocumentRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocument(Document.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   Document response = documentsClient.createDocumentAsync(request).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   KnowledgeBaseName parent =
       KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]");
   Document document = Document.newBuilder().build();
   Document response = documentsClient.createDocumentAsync(parent, document).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   String parent =
       KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]").toString();
   Document document = Document.newBuilder().build();
   Document response = documentsClient.createDocumentAsync(parent, document).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   CreateDocumentRequest request =
       CreateDocumentRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocument(Document.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   ApiFuture<Operation> future = documentsClient.createDocumentCallable().futureCall(request);
   // Do something.
   Operation response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   CreateDocumentRequest request =
       CreateDocumentRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocument(Document.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   OperationFuture<Document, KnowledgeOperationMetadata> future =
       documentsClient.createDocumentOperationCallable().futureCall(request);
   // Do something.
   Document response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DeleteDocumentRequest request =
       DeleteDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .build();
   documentsClient.deleteDocumentAsync(request).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DocumentName name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
           "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]");
   documentsClient.deleteDocumentAsync(name).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   String name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
               "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
           .toString();
   documentsClient.deleteDocumentAsync(name).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DeleteDocumentRequest request =
       DeleteDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .build();
   ApiFuture<Operation> future = documentsClient.deleteDocumentCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DeleteDocumentRequest request =
       DeleteDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .build();
   OperationFuture<Empty, KnowledgeOperationMetadata> future =
       documentsClient.deleteDocumentOperationCallable().futureCall(request);
   // Do something.
   future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DocumentName name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
           "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]");
   Document response = documentsClient.getDocument(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   GetDocumentRequest request =
       GetDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .build();
   Document response = documentsClient.getDocument(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   String name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
               "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
           .toString();
   Document response = documentsClient.getDocument(name);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   GetDocumentRequest request =
       GetDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .build();
   ApiFuture<Document> future = documentsClient.getDocumentCallable().futureCall(request);
   // Do something.
   Document response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   Location response = documentsClient.getLocation(request);
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   GetLocationRequest request = GetLocationRequest.newBuilder().setName("name3373707").build();
   ApiFuture<Location> future = documentsClient.getLocationCallable().futureCall(request);
   // Do something.
   Location response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ImportDocumentsRequest request =
       ImportDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocumentTemplate(ImportDocumentTemplate.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   ImportDocumentsResponse response = documentsClient.importDocumentsAsync(request).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ImportDocumentsRequest request =
       ImportDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocumentTemplate(ImportDocumentTemplate.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   ApiFuture<Operation> future = documentsClient.importDocumentsCallable().futureCall(request);
   // Do something.
   Operation response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ImportDocumentsRequest request =
       ImportDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setDocumentTemplate(ImportDocumentTemplate.newBuilder().build())
           .setImportGcsCustomMetadata(true)
           .build();
   OperationFuture<ImportDocumentsResponse, KnowledgeOperationMetadata> future =
       documentsClient.importDocumentsOperationCallable().futureCall(request);
   // Do something.
   ImportDocumentsResponse response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   KnowledgeBaseName parent =
       KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]");
   for (Document element : documentsClient.listDocuments(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListDocumentsRequest request =
       ListDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   for (Document element : documentsClient.listDocuments(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   String parent =
       KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]").toString();
   for (Document element : documentsClient.listDocuments(parent).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListDocumentsRequest request =
       ListDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   while (true) {
     ListDocumentsResponse response = documentsClient.listDocumentsCallable().call(request);
     for (Document element : response.getDocumentsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListDocumentsRequest request =
       ListDocumentsRequest.newBuilder()
           .setParent(
               KnowledgeBaseName.ofProjectKnowledgeBaseName("[PROJECT]", "[KNOWLEDGE_BASE]")
                   .toString())
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .setFilter("filter-1274492040")
           .build();
   ApiFuture<Document> future = documentsClient.listDocumentsPagedCallable().futureCall(request);
   // Do something.
   for (Document element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   for (Location element : documentsClient.listLocations(request).iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   while (true) {
     ListLocationsResponse response = documentsClient.listLocationsCallable().call(request);
     for (Location element : response.getLocationsList()) {
       // doThingsWith(element);
     }
     String nextPageToken = response.getNextPageToken();
     if (!Strings.isNullOrEmpty(nextPageToken)) {
       request = request.toBuilder().setPageToken(nextPageToken).build();
     } else {
       break;
     }
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ListLocationsRequest request =
       ListLocationsRequest.newBuilder()
           .setName("name3373707")
           .setFilter("filter-1274492040")
           .setPageSize(883849137)
           .setPageToken("pageToken873572522")
           .build();
   ApiFuture<Location> future = documentsClient.listLocationsPagedCallable().futureCall(request);
   // Do something.
   for (Location element : future.get().iterateAll()) {
     // doThingsWith(element);
   }
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   DocumentName name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
           "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]");
   GcsSource gcsSource = GcsSource.newBuilder().build();
   Document response = documentsClient.reloadDocumentAsync(name, gcsSource).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ReloadDocumentRequest request =
       ReloadDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .setImportGcsCustomMetadata(true)
           .build();
   Document response = documentsClient.reloadDocumentAsync(request).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   String name =
       DocumentName.ofProjectKnowledgeBaseDocumentName(
               "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
           .toString();
   GcsSource gcsSource = GcsSource.newBuilder().build();
   Document response = documentsClient.reloadDocumentAsync(name, gcsSource).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ReloadDocumentRequest request =
       ReloadDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .setImportGcsCustomMetadata(true)
           .build();
   ApiFuture<Operation> future = documentsClient.reloadDocumentCallable().futureCall(request);
   // Do something.
   Operation response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   ReloadDocumentRequest request =
       ReloadDocumentRequest.newBuilder()
           .setName(
               DocumentName.ofProjectKnowledgeBaseDocumentName(
                       "[PROJECT]", "[KNOWLEDGE_BASE]", "[DOCUMENT]")
                   .toString())
           .setImportGcsCustomMetadata(true)
           .build();
   OperationFuture<Document, KnowledgeOperationMetadata> future =
       documentsClient.reloadDocumentOperationCallable().futureCall(request);
   // Do something.
   Document response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   Document document = Document.newBuilder().build();
   Document response = documentsClient.updateDocumentAsync(document).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   Document document = Document.newBuilder().build();
   FieldMask updateMask = FieldMask.newBuilder().build();
   Document response = documentsClient.updateDocumentAsync(document, updateMask).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   UpdateDocumentRequest request =
       UpdateDocumentRequest.newBuilder()
           .setDocument(Document.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   Document response = documentsClient.updateDocumentAsync(request).get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   UpdateDocumentRequest request =
       UpdateDocumentRequest.newBuilder()
           .setDocument(Document.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   ApiFuture<Operation> future = documentsClient.updateDocumentCallable().futureCall(request);
   // Do something.
   Operation response = future.get();
 }
 

 // This snippet has been automatically generated and should be regarded as a code template only.
 // It will require modifications to work:
 // - It may require correct/in-range values for request initialization.
 // - It may require specifying regional endpoints when creating the service client as shown in
 // https://cloud.google.com/java/docs/setup#configure_endpoints_for_the_client_library
 try (DocumentsClient documentsClient = DocumentsClient.create()) {
   UpdateDocumentRequest request =
       UpdateDocumentRequest.newBuilder()
           .setDocument(Document.newBuilder().build())
           .setUpdateMask(FieldMask.newBuilder().build())
           .build();
   OperationFuture<Document, KnowledgeOperationMetadata> future =
       documentsClient.updateDocumentOperationCallable().futureCall(request);
   // Do something.
   Document response = future.get();
 }