public static SyncConfigNodeClientPool getInstance() {
    return SyncConfigNodeClientPoolHolder.INSTANCE;
  }
ConfigNode Leader stop any ConfigNode in the cluster.

@param configNodeLocation To be removed ConfigNode
@throws ClientManagerException removeConfigNode
@throws TException removeConfigNode
@throws InterruptedException removeConfigNode
@return SUCCESS_STATUS: remove ConfigNode success, other status remove failed
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/client/sync/SyncConfigNodeClientPool.java