src/vs/workbench/browser/parts/editor/breadcrumbsPicker.ts/BreadcrumbsFilePicker/_revealElement
class BreadcrumbsFilePicker:	protected async _revealElement(element: IFileStat | IWorkspaceFolder, options: IEditorOptions, sideBySide: boolean): Promise<boolean> {
		if (!isWorkspaceFolder(element) && element.isFile) {
			this._onWillPickElement.fire();
			await this._editorService.openEditor({ resource: element.resource, options }, sideBySide ? SIDE_GROUP : undefined);
			return true;
		}
		return false;
	}