@java.lang.Override
    public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
      return getFileDescriptor().findServiceByName("ImageAnnotator");
    }
<pre>
Run async image detection and annotation for a list of generic files (e.g.
PDF) which may contain multiple pages and multiple images per page.
Progress and results can be retrieved through the
`google.longrunning.Operations` interface.
`Operation.metadata` contains `OperationMetadata` (metadata).
`Operation.response` contains `AsyncBatchAnnotateFilesResponse` (results).
</pre>
java-vision/grpc-google-cloud-vision-v1p2beta1/src/main/java/com/google/cloud/vision/v1p2beta1/ImageAnnotatorGrpc.java