Method setAsContainerInternal

src/custom-element.js:835–838

* See `BaseElement.setAsContainer`. * * @param {!Element=} opt_scroller A child of the container that should be * monitored. Typically a scrollable element. * @restricted * @final

(opt_scroller)

     * @final
     */
    setAsContainerInternal(opt_scroller) {
      const builder = getSchedulerForDoc(this.getAmpDoc());
      builder.setContainer(this, opt_scroller);
    }

    /**
     * See `BaseElement.removeAsContainer`.