class RecyclerViewScrollHandlingDelegate implements ScrollHandlingDelegate {

    @Override
    public void pageScrollDown() {
        if (mRecyclerView != null) {
            final int height = mRecyclerView.getHeight();
            mRecyclerView.smoothScrollBy(0, height);
        }
    }

    public  RecyclerViewScrollHandlingDelegate(
            @NonNull RequireScrollMixin requireScrollMixin,
            @Nullable RecyclerView recyclerView);

}