src/vs/platform/actionWidget/browser/actionWidget.ts/ActionWidgetService/_createActionBar
class ActionWidgetService:	private _createActionBar(className: string, actions: readonly IAction[]): ActionBar | undefined {
		if (!actions.length) {
			return undefined;
		}

		const container = dom.$(className);
		const actionBar = new ActionBar(container);
		actionBar.push(actions, { icon: false, label: true });
		return actionBar;
	}