fnOpen = () => {
			this._initPopover();

			this._oQuickSortList = this._initQuickActionList(Category.Sort);
			this._oQuickFilterList = this._initQuickActionList(Category.Filter);
			this._oQuickGroupList = this._initQuickActionList(Category.Group);
			this._oQuickAggregateList = this._initQuickActionList(Category.Aggregate);
			this._oQuickGenericList = this._initQuickActionList(Category.Generic);
			this._initItemsContainer();

			if (!this.getParent()) {
				StaticArea.getUIArea().addContent(this, true);
			}

			if (this._getAllEffectiveQuickActions().length === 0 && this._getAllEffectiveItems().length === 0) {
				this._initIllustratedMessage();
			}

			this._oPopover.setInitialFocus(this._oQuickSortList || this._oQuickFilterList || this._oQuickGroupList || this._oQuickAggregateList || this._oQuickGenericList || this._oItemsContainer);
			this._oPopover.openBy(oAnchor);
			this._oIsOpenBy = oAnchor;
			ControlEvents.bindAnyEvent(this.fAnyEventHandlerProxy);
		}
Opens the popover at the specified target.

@param {sap.ui.core.Control | HTMLElement} oAnchor This is the control or HTMLElement where the popover is placed.
@param {boolean} [bSuppressEvent] Whether to suppress the beforeOpen event.
@public