stener('keydown', this._scrollInteractionHandler, true);
      },

      _unlockScrollInteractions: function() {
        document.body.style.overflow = this._originalBodyStyles.overflow;
        document.body.style.overflowX = this._originalBodyStyles.overflowX;
        document.body.style.overflowY = this._originalBodyStyles.overflowY;

        document.removeEventListener('wheel', this._scrollInteractionHandler, true);
        document.removeEventListener('mousewheel', this._scrollInteractionHandler, true