<< ") != terminator operands ("
                          << term->getNumOperands() << ")";
    return {};
  }
  // Verify number of tensors for inputs and outputs matches size
  // of the list in the signature def.
  if (input_names.size() != sig_def_inputs.size() ||
      output_names.size() != sig_def_outputs.size()) {
    main_op.emitWarning(

  if (!(verify_size(window_dimensions.size(), "window_dimensions") &&
        verify_size(window_strides.size(), "window strides") &&
        verify_size(padding.size(), "padding entries") &&
        verify_size(lhs_dilation.size(), "lhs dilation factors") &&
        verify_size(rhs_dilation.size(), "rhs dilation factors")))
    return std::nullopt;

  xla::Window window;
  for (size_t i = 0; i < window_dimensions.size(); i++) {