// needed.
//
// On failure, out_status contains a tensorflow::Status with an error
// message. *handle is set to nullptr.
TF_CAPI_EXPORT extern void TF_SessionPRunSetup(
    TF_Session*,
    // Input names
    const TF_Output* inputs, int ninputs,
    // Output names
    const TF_Output* outputs, int noutputs,
    // Target operations

  TF_DeleteSessionOptions(opts);

  TF_Output feeds[] = {TF_Output{a, 0}, TF_Output{b, 0}};
  TF_Output fetches[] = {TF_Output{plus2, 0}, TF_Output{plusB, 0}};

  const char* handle = nullptr;
  TF_SessionPRunSetup(sess, feeds, TF_ARRAYSIZE(feeds), fetches,
                      TF_ARRAYSIZE(fetches), nullptr, 0, &handle, s);
  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);

  // Feed A and fetch A + 2.