code: public long getId(final WorkerNetAddress address) throws IOException {
      return retryRPC((RpcCallable<Long>) () -> {
        GetWorkerIdPRequest request =
            GetWorkerIdPRequest.newBuilder().setWorkerNetAddress(GrpcUtils.toProto(address)).build();
        return mClient.getWorkerId(request).getWorkerId();
      });
    }
docs: Returns a worker id for a workers net address.
  
  @param address the net address to get a worker id for
  @return a worker id