public com.google.protobuf.Empty deleteProductSet(
        com.google.cloud.vision.v1p4beta1.DeleteProductSetRequest request) {
      return io.grpc.stub.ClientCalls.blockingUnaryCall(
          getChannel(), getDeleteProductSetMethod(), getCallOptions(), request);
    }
<pre>
Permanently deletes a ProductSet. Products and ReferenceImages in the
ProductSet are not deleted.
The actual image files are not deleted from Google Cloud Storage.
</pre>
java-vision/grpc-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ProductSearchGrpc.java