private Procedure[] createSplittingWalProcedures(MasterProcedureEnv env, boolean splitMeta)
    throws IOException {
    LOG.info("Splitting WALs {}, isMeta: {}", this, splitMeta);
    SplitWALManager splitWALManager = env.getMasterServices().getSplitWALManager();
    List<Procedure> procedures = splitWALManager.splitWALs(serverName, splitMeta);
    return procedures.toArray(new Procedure[procedures.size()]);
  }
Returns List of Regions on crashed server.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java