src/vs/workbench/browser/parts/editor/breadcrumbsPicker.ts/BreadcrumbsOutlinePicker/_revealElement
class BreadcrumbsOutlinePicker:	protected async _revealElement(element: any, options: IEditorOptions, sideBySide: boolean): Promise<boolean> {
		this._onWillPickElement.fire();
		const outline: IOutline<any> = this._tree.getInput();
		await outline.reveal(element, options, sideBySide);
		return true;
	}