@java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
      switch (methodId) {
        case METHODID_BATCH_ANNOTATE_IMAGES:
          serviceImpl.batchAnnotateImages(
              (com.google.cloud.vision.v1p1beta1.BatchAnnotateImagesRequest) request,
              (io.grpc.stub.StreamObserver<
                      com.google.cloud.vision.v1p1beta1.BatchAnnotateImagesResponse>)
                  responseObserver);
          break;
        default:
          throw new AssertionError();
      }
    }
<pre>
Run image detection and annotation for a batch of images.
</pre>
java-vision/grpc-google-cloud-vision-v1p1beta1/src/main/java/com/google/cloud/vision/v1p1beta1/ImageAnnotatorGrpc.java