_outputHelpIfRequested(args) {
    const helpOption = this._getHelpOption();
    const helpRequested = helpOption && args.find((arg) => helpOption.is(arg));
    if (helpRequested) {
      this.outputHelp();
      // (Do not have all displayed text available so only passing placeholder.)
      this._exit(0, 'commander.helpDisplayed', '(outputHelp)');
    }
  }
Output help information if help flags specified

@param {Array} args - array of options to search for help flags
@private