*\n   * **DEPRECATION**: This way to access PopperUtils is deprecated\n   * and will be removed in v2! Use the PopperUtils module directly instead.\n   * Due to the high instability of the methods contained in Utils, we can't\n   * guarantee them to follow semver. Use them at your own risk!\n   * @static\n   * @private\n   * @type {Object}\n   * @deprecated since version 1.8\n   * @member Utils\n   * @memberof Popper\n   */\n  static Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\n\n...