// `FuncOp` is not found. The newly created initializer function's
// initializer_type is "restore_op" and its symbol will be added to the symbol
// table and session_initializer op's "intializer" attribute.
func::FuncOp GetOrCreateInitializerFunc(ModuleOp module_op) {
  if (auto init_func_op = GetInitializerFunction(
          module_op, /*initializer_type=*/kTfSavedModelInitializerRestoreType);
      init_func_op) {
    return init_func_op;
  } else {