docs: public final static <T, C extends Collection<? super T>> Stream<C> groupedBySizeAndTime(final Stream<T> stream, final int size, final long time,
              final TimeUnit t, final Supplier<C> factory) {
          return StreamSupport.stream(new GroupedByTimeAndSizeSpliterator(stream.spliterator(),factory,
                  Function.identity(),size,time,t),stream.isParallel());
  
      }