private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vision.v1.AnnotateFileRequest,
            com.google.cloud.vision.v1.AnnotateFileRequest.Builder,
            com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder>
        getRequestsFieldBuilder() {
      if (requestsBuilder_ == null) {
        requestsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vision.v1.AnnotateFileRequest,
                com.google.cloud.vision.v1.AnnotateFileRequest.Builder,
                com.google.cloud.vision.v1.AnnotateFileRequestOrBuilder>(
                requests_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        requests_ = null;
      }
      return requestsBuilder_;
    }
<pre>
Required. The list of file annotation requests. Right now we support only
one AnnotateFileRequest in BatchAnnotateFilesRequest.
</pre>

<code>
repeated .google.cloud.vision.v1.AnnotateFileRequest requests = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/BatchAnnotateFilesRequest.java