     'isArrayBuffer',
          'isArrayBufferView',
          'isAsyncFunction',
          'isDataView',
          'isDate',
          'isExternal',
          'isMap',
          'isMapIterator',
          'isNativeError',
          'isPromise',
          'isRegExp',
          'isSet',
          'isSetIterator',
          'isTypedArray',
          'isUint8Array',
          'isAnyArrayBuffer',
        ], key);
      })));
  }
};
