code: func DelegateCheck(ctx context.Context, delegatePlugin string, netconf []byte, exec Exec) error {
  	pluginPath, realExec, err := delegateCommon("CHECK", delegatePlugin, exec)
  	if err != nil {
  		return err
  	}
  
  	return ExecPluginWithoutResult(ctx, pluginPath, netconf, ArgsFromEnv(), realExec)
  }
docs: // DelegateCheck calls the given delegate plugin with the CNI CHECK action and
  // JSON configuration