@java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public io.grpc.stub.StreamObserver<Req> invoke(
        io.grpc.stub.StreamObserver<Resp> responseObserver) {
      switch (methodId) {
        default:
          throw new AssertionError();
      }
    }
<pre>
Gets the full hashes that match the requested hash prefix.
This is used after a hash prefix is looked up in a threatList
and there is a match. The client side threatList only holds partial hashes
so the client must query this method to determine if there is a full
hash match of a threat.
</pre>
java-webrisk/grpc-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/WebRiskServiceV1Beta1Grpc.java