@Override
  protected void toStringClassDetails(StringBuilder sb) {
    sb.append(getClass().getSimpleName());
    sb.append(" failedMetaServer=");
    sb.append(failedMetaServer);
    sb.append(", splitWal=");
    sb.append(shouldSplitWal);
  }
Leave here only for checking if we can successfully start the master.
@deprecated Do not use any more, leave it here only for compatible. The recovery work will be
            done in {@link ServerCrashProcedure} directly, and the initial work for meta table
            will be done by {@link InitMetaProcedure}.
@see ServerCrashProcedure
@see InitMetaProcedure
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.java