@Override
    public RecyclerView.LayoutParams generateDefaultLayoutParams() {
        return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    }
Get the header item for a given section, creating it if it's not already in the view hierarchy

@param recycler     the recycler
@param sectionIndex the index of the section for in question
@return the header, or null if the adapter specifies no header for the section
android/modules/module_common/src/main/java/github/tornaco/android/thanos/widget/section/StickyHeaderLayoutManager.java