src/vs/base/browser/ui/breadcrumbs/breadcrumbsWidget.ts/BreadcrumbsWidget/_select
class BreadcrumbsWidget:	private _select(nth: number, payload: any): void {
		this._selectedItemIdx = -1;
		for (let i = 0; i < this._nodes.length; i++) {
			const node = this._nodes[i];
			if (i !== nth) {
				node.classList.remove('selected');
			} else {
				this._selectedItemIdx = i;
				node.classList.add('selected');
			}
		}
		this._onDidSelectItem.fire({ type: 'select', item: this._items[this._selectedItemIdx], node: this._nodes[this._selectedItemIdx], payload });
	}