private Cell filterCell(Entry entry, Cell cell) {
    for (WALCellFilter filter : cellFilters) {
      cell = filter.filterCell(entry, cell);
      if (cell == null) {
        break;
      }
    }
    return cell;
  }
A {@link WALEntryFilter} which contains multiple filters and applies them in chain order
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/ChainWALEntryFilter.java