Method whenReady

src/service/ampdoc-impl.js:522–524

* Returns a promise that will be resolved when the ampdoc's DOM is fully * ready. * @return {!Promise}

()

   * @return {!Promise}
   */
  whenReady() {
    return /** @type {?} */ (devAssert(null, 'not implemented'));
  }

  /**
   * Returns the URL from which the document was loaded.