public static ConsensusGroupStatistics generateDefaultConsensusGroupStatistics() {
    return new ConsensusGroupStatistics(0, ConsensusGroupCache.UN_READY_LEADER_ID);
  }
ConsensusGroupStatistics indicates the statistics of a consensus group.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/cache/consensus/ConsensusGroupStatistics.java