@RestrictedApi(explanation = "Should only be called in tests", link = "",
      allowedOnPath = ".*/src/test/.*")
  String getRegionsZNode() {
    return regionsZNode;
  }
Pair&lt;PeerId, List&lt;HFileRefs&gt;&gt;
hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorageForMigration.java