@RestrictedApi(explanation = "Should only be called in tests", link = "",
      allowedOnPath = ".*/src/test/.*")
  public static void setMetaLocation(ZKWatcher zookeeper, ServerName serverName,
    RegionState.State state) throws KeeperException {
    setMetaLocation(zookeeper, serverName, RegionInfo.DEFAULT_REPLICA_ID, state);
  }
Sets the location of <code>hbase:meta</code> in ZooKeeper to the specified server address.
@param zookeeper  zookeeper reference
@param serverName The server hosting <code>hbase:meta</code>
@param state      The region transition state
@throws KeeperException unexpected zookeeper exception
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/MetaTableLocator.java