lastValueFromfunction lastValueFrom<T, D>(source: Observable<T>, config: LastValueFromConfig<D>): Promise<T | D>;function lastValueFrom<T>(source: Observable<T>): Promise<T>;§lastValueFrom<T, D>(source: Observable<T>, config: LastValueFromConfig<D>): Promise<T | D>[src]§Type Parameters§T[src]§D[src]§Parameters§source: Observable<T>[src]§config: LastValueFromConfig<D>[src]§Return Type§Promise<T | D>[src]§lastValueFrom<T>(source: Observable<T>): Promise<T>[src]§Type Parameters§T[src]§Parameters§source: Observable<T>[src]§Return Type§Promise<T>[src]