@Override
  protected MigrateReplicationQueueFromZkToTableState getInitialState() {
    return MIGRATE_REPLICATION_QUEUE_FROM_ZK_TO_TABLE_DISABLE_CLEANER;
  }
A procedure for migrating replication queue data from zookeeper to hbase:replication table.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/replication/MigrateReplicationQueueFromZkToTableProcedure.java