@SuppressWarnings({"rawtypes"})
  @java.lang.Override
  protected com.google.protobuf.MapFieldReflectionAccessor internalGetMapFieldReflection(
      int number) {
    switch (number) {
      case 5:
        return internalGetLabels();
      default:
        throw new RuntimeException("Invalid map field number: " + number);
    }
  }
<pre>
Request for async image annotation for a list of images.
</pre>

Protobuf type {@code google.cloud.vision.v1.AsyncBatchAnnotateImagesRequest}
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java