public String getIdentifier() {
    return identifier;
  }
Filters the given node list by the given prefixes. This method is all-inclusive--if any element
in the node list starts with any of the given prefixes, then it is included in the result.
@param nodes    the nodes to filter
@param prefixes the prefixes to include in the result
@return list of every element that starts with one of the prefixes
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.java