public static TpuFutureStub newFutureStub(io.grpc.Channel channel) {
    io.grpc.stub.AbstractStub.StubFactory<TpuFutureStub> factory =
        new io.grpc.stub.AbstractStub.StubFactory<TpuFutureStub>() {
          @java.lang.Override
          public TpuFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
            return new TpuFutureStub(channel, callOptions);
          }
        };
    return TpuFutureStub.newStub(factory, channel);
  }
Creates a new ListenableFuture-style stub that supports unary calls on the service
java-tpu/grpc-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/TpuGrpc.java