src/vs/base/browser/ui/breadcrumbs/breadcrumbsWidget.ts/BreadcrumbsWidget/_renderItem
class BreadcrumbsWidget:	private _renderItem(item: BreadcrumbsItem, container: HTMLDivElement): void {
		dom.clearNode(container);
		container.className = '';
		try {
			item.render(container);
		} catch (err) {
			container.innerText = '<<RENDER ERROR>>';
			console.error(err);
		}
		container.tabIndex = -1;
		container.setAttribute('role', 'listitem');
		container.classList.add('monaco-breadcrumb-item');
		const iconContainer = dom.$(breadcrumbSeparatorIcon.cssSelector);
		container.appendChild(iconContainer);
	}