code: @SuppressWarnings("unchecked")
      public Map<Integer, Integer> getLinkedAdapterColumnsModifications() {
          return mAdapter instanceof LinkedAdaptiveTableAdapterImpl ?
                  ((LinkedAdaptiveTableAdapterImpl) mAdapter).getColumnsModifications() :
                  Collections.<Integer, Integer>emptyMap();
      }
docs: When used adapter with IMMUTABLE data, returns columns position modifications
  (old position -> new position)
  
  @return row position modification map. Includes only modified column numbers