code: function(aContexts, oBindingInfo, bSuppressInvalidate) {
  			this.destroyListItems(bSuppressInvalidate);
  			this.addListItems(aContexts, oBindingInfo, bSuppressInvalidate);
  			if (bSuppressInvalidate) {
  				var bHasFocus = this._oContainerDomRef.contains(document.activeElement);
  				this.applyChunk(false);
  				bHasFocus && this._oControl.focus();
  			} else {
  				this.applyPendingGroupItem();
  			}
  		}
docs: destroy all the items and create from scratch