docs: private RowIndex[] removeRowIndexes(RowIndex fromRowIndex) {
          SortedSet<RowIndex> indexes = rowIndexes.tailSet(fromRowIndex);
          RowIndex[] removedIndexes = new RowIndex[indexes.size()];
          removedIndexes = indexes.toArray(removedIndexes);
          indexes.clear();
          return removedIndexes;
      }