default void getProductSet(
        com.google.cloud.vision.v1p4beta1.GetProductSetRequest request,
        io.grpc.stub.StreamObserver<com.google.cloud.vision.v1p4beta1.ProductSet>
            responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
          getGetProductSetMethod(), responseObserver);
    }
<pre>
Gets information associated with a ProductSet.
Possible errors:
* Returns NOT_FOUND if the ProductSet does not exist.
</pre>
java-vision/grpc-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ProductSearchGrpc.java