.replace("_", ".")
                        .replaceAll("\\.placeholder$", ".placeholder")
                        .replaceAll("\\.placeholder\\.(.+)", ".placeholder_$1");

                String expectedValue = "{labels." + expectedValuePart + "}";

                // Some fields may have different conventions, so we just check if it starts correctly

        "Unable to find the enqueue node in the TF graph.");
    return;
  }

  TF_Operation* placeholder_op = TF_GraphOperationByName(
      session->graph,
      tensorflow::strings::StrCat("arg_tensor_enqueue_", tensor_id).c_str());
  if (placeholder_op == nullptr) {
    status->status = tensorflow::errors::Internal(
        "Unable to find the placeholder node as input to enqueue in the TF "