code: function removeOverflowContentAndPopup() {
  			if (this.bPopupInitialized) {
  				this._oOverflowPopup.destroy();
  				this._oOverflowPopup = null;
  				this.popup.detachOpened(this.handlePopupOpened, this);
  				this.popup.detachClosed(this.handlePopupClosed, this);
  				this.popup.destroy();
  				this.popup = null;
  				this.bPopupInitialized = false;
  			}
  		}
docs: Destroy/Remove overflow menu content that is inside the popup and the popup itself
  @private