src/vs/workbench/contrib/codeEditor/browser/outline/documentSymbolsOutline.ts/DocumentSymbolBreadcrumbsSource/update
class DocumentSymbolBreadcrumbsSource:	update(model: OutlineModel, position: IPosition): void {
		const newElements = this._computeBreadcrumbs(model, position);
		this._breadcrumbs = newElements;
	}