code: function _keepProps(method, newMethod) {
    var props = ['methodName', 'params', 'removeOutput'];
    _lodash2.default.extend(newMethod, _lodash2.default.pick(method, props));
    return newMethod;
  }
docs: Copy decorator properties from the original method to the new method
  @param method
  @param newMethod
  @returns {function}
  @private