ray<string>|undefined),
 *   attrs: (!Array<string>|undefined),
 *   tags: (!Array<string>|undefined),
 * }}
 */
    /* #export */ let SanitizeInnerHtmlOpts;

    // eslint-disable-next-line no-var
    /* #export */ /** @type {!LoadTimeData} */ var loadTimeData;

    class LoadTimeData {
        constructor() {
            /** @type {Object} */
            this.data_;
        }

        /**
   * Sets the backing object.
   *
   * Note that there is no getter for |data_| to discourage abuse of the form:
   *