code: function ClientCreator() {
    this._metadata = require('../apis/metadata');
    this._apisFolderPath = path.join(__dirname, '..', 'apis');
    this._clientFolderPath = path.join(__dirname, '..', 'clients');
    this._serviceCustomizationsFolderPath = path.join(__dirname, '..', 'lib', 'services');
    this._packageJsonPath = path.join(__dirname, '..', 'package.json');
    this._apiFileNames = null;
  }
docs: Generate service clients