// Step 2: Call `TF_InitPlugin`
  auto init_fn = reinterpret_cast<TFInitGraphPluginFn>(dso_symbol);
  return InitGraphPlugin(init_fn);
}

absl::Status InitGraphPlugin(TFInitGraphPluginFn init_fn) {
  TP_OptimizerRegistrationParams params{
      TP_OPTIMIZER_REGISTRATION_PARAMS_STRUCT_SIZE};
  TP_Optimizer optimizer{TP_OPTIMIZER_STRUCT_SIZE};
  TP_OptimizerConfigs optimizer_configs{TP_OPTIMIZER_CONFIGS_STRUCT_SIZE};