code: @Nullable
      public View getContentView(final int position) {
          View contentView = null;
  
          View parentView = findViewForPosition(position);
          if (parentView != null) {
              Object tag = parentView.getTag();
              if (tag instanceof ViewHolder) {
                  contentView = ((ViewHolder) tag).contentView;
              }
          }
  
          return contentView;
      }
docs: Return the content view at the specified position.
  
  @param position Index of the view we want.
  
  @return the view if it exist, null otherwise.