public static boolean hasMergeRegions(Cell[] cells) {
    for (Cell cell : cells) {
      if (isMergeQualifierPrefix(cell)) {
        return true;
      }
    }
    return false;
  }
Returns True if any merge regions present in <code>cells</code>; i.e. the column in
<code>cell</code> matches the regex 'info:merge.*'.
hbase-client/src/main/java/org/apache/hadoop/hbase/CatalogFamilyFormat.java