code: public static FileSharedServerLeaseLog getFileSharedServerLeaseLog(String logDirStem, String localRecoveryIdentity, String recoveryGroup) {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "FileSharedServerLeaseLog", new Object[] { logDirStem, localRecoveryIdentity, recoveryGroup });
  
          if (_serverInstallLeaseLogDir == null)
              setLeaseLog(logDirStem, localRecoveryIdentity, recoveryGroup);
  
          if (tc.isEntryEnabled())
              Tr.exit(tc, "FileSharedServerLeaseLog", _fileLeaseLog);
          return _fileLeaseLog;
      }
docs: Access the singleton instance of the FileSystem Lease log.
  
  @return ChannelFrameworkImpl