code: function Manager(options) {
    this.roleGetters_ = {};
    this.entityGetters_ = {};
    this.actionDefs_ = {};
    this.options = {
      pauseStream: true
    };
    if (options) {
      for (var option in this.options) {
        if (options.hasOwnProperty(option)) {
          this.options[option] = options[option];
        }
      }
    }
  }
docs: Create a new authorization manager.
  @param {Object} options Manager options.
  * pauseStream {boolean} Pause the request body stream while checking
  authorization (default is `true`).
  @constructor