text: /**
   * Button model.
   */
  export class Model {
    /**
     * Create a new model.
     * @param {string} url The page URL.
     * @param {number} claps The clap count.
     */
    constructor(url, claps = 0) {
      this.url = url;
      this.claps = claps;
      this.pendingClaps = 0;
      this.postedClaps = 0;
      this.wasClapped = false;
    }
  }
  