@Override
  public void filterRowCells(List<Cell> cells) throws IOException {
    for (int i = 0, n = filters.size(); i < n; i++) {
      filters.get(i).filterRowCells(cells);
    }
  }
Filters that never filter by modifying the returned List of Cells can inherit this
implementation that does nothing. {@inheritDoc}
hbase-client/src/main/java/org/apache/hadoop/hbase/filter/FilterListBase.java