src/vs/base/browser/ui/list/listWidget.ts/List/updateOptions
class List:	updateOptions(optionsUpdate: IListOptionsUpdate = {}): void {
		this._options = { ...this._options, ...optionsUpdate };

		this.typeLabelController?.updateOptions(this._options);

		if (this._options.multipleSelectionController !== undefined) {
			if (this._options.multipleSelectionSupport) {
				this.view.domNode.setAttribute('aria-multiselectable', 'true');
			} else {
				this.view.domNode.removeAttribute('aria-multiselectable');
			}
		}

		this.mouseController.updateOptions(optionsUpdate);
		this.keyboardController?.updateOptions(optionsUpdate);
		this.view.updateOptions(optionsUpdate);
	}