public com.google.common.util.concurrent.ListenableFuture<com.google.longrunning.Operation>
        stopNode(com.google.cloud.tpu.v2.StopNodeRequest request) {
      return io.grpc.stub.ClientCalls.futureUnaryCall(
          getChannel().newCall(getStopNodeMethod(), getCallOptions()), request);
    }
<pre>
Stops a node. This operation is only available with single TPU nodes.
</pre>
java-tpu/grpc-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/TpuGrpc.java