public int getPositionInAdapter(final String tag, final int position) {
        return getAdapterForSection(tag).getPositionInAdapter(position);
    }
This is an implementation of {@link SectionedRecyclerViewAdapter SectionedRecyclerViewAdapter}
to help migrating to version 3.0.0 if you don't have much time to update your current code.
<p>
All the methods from this class where moved to class {@link SectionAdapter SectionAdapter}.
In order to retrieve a SectionAdapter from SectionedRecyclerViewAdapter, use the method
{@link SectionedRecyclerViewAdapter#getAdapterForSection(Section)} getAdapterForSection}.
library/src/main/java/io/github/luizgrp/sectionedrecyclerviewadapter/compat/SectionedRecyclerViewAdapterV2Compat.java