src/vs/editor/contrib/quickAccess/browser/gotoSymbolQuickAccess.ts/AbstractGotoSymbolQuickAccessProvider/provideWithoutTextEditor
class AbstractGotoSymbolQuickAccessProvider:	protected provideWithoutTextEditor(picker: IQuickPick<IGotoSymbolQuickPickItem>): IDisposable {
		this.provideLabelPick(picker, localize('cannotRunGotoSymbolWithoutEditor', "To go to a symbol, first open a text editor with symbol information."));

		return Disposable.None;
	}