requestNextPage method

Implementation

void requestNextPage({bool hasRequestNextPage = true}) {
  if (_pagingState is PagingStateData<PageKeyType, ItemType>) {
    final value = _pagingState as PagingStateData<PageKeyType, ItemType>;
    emit(PagingState<PageKeyType, ItemType>(
        value.items, value.status, hasRequestNextPage));
  }
}