default void listProductsInProductSet(
        com.google.cloud.vision.v1p3beta1.ListProductsInProductSetRequest request,
        io.grpc.stub.StreamObserver<
                com.google.cloud.vision.v1p3beta1.ListProductsInProductSetResponse>
            responseObserver) {
      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
          getListProductsInProductSetMethod(), responseObserver);
    }
<pre>
Lists the Products in a ProductSet, in an unspecified order. If the
ProductSet does not exist, the products field of the response will be
empty.
Possible errors:
* Returns INVALID_ARGUMENT if page_size is greater than 100 or less than 1.
</pre>
java-vision/grpc-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/ProductSearchGrpc.java