src/vs/base/parts/quickinput/browser/quickInputList.ts/QuickInputList/fireCheckedEvents
class QuickInputList:	private fireCheckedEvents() {
		if (this._fireCheckedEvents) {
			this._onChangedAllVisibleChecked.fire(this.getAllVisibleChecked());
			this._onChangedCheckedCount.fire(this.getCheckedCount());
			this._onChangedCheckedElements.fire(this.getCheckedElements());
		}
	}