if it hits the edges of the `boundariesElement`\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='viewport'\n     * The element which will define the boundaries of the popper position.\n     * The popper will never be placed outside of the defined boundaries\n     * (except if `keepTogether` is enabled)\n     */\n    boundariesElement: 'viewport',\n    /**\n     * @prop {Boolean} flipVariations=false\n     * The popper will switch placement variation between...