code: function RouteConfigurator(opt_routesFilepath) {
    if (opt_routesFilepath) {
      this.setRoutesFilepath(opt_routesFilepath);
      this.parse(fs.readFileSync(this.routesFilepath).toString());
    }
  }
docs: Router configuration class. This class loads routes information from a file
  path or parsed from <code>parse</code> method.
  @param {String} opt_routesFilepath
  @constructor