code: @Override
      public void registerRecoveryEventListener(RecoveryEventListener rel) /* @MD19638A */
      {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "registerRecoveryEventListener", rel);
  
          RegisteredRecoveryEventListeners.instance().add(rel);
  
          if (tc.isEntryEnabled())
              Tr.exit(tc, "registerRecoveryEventListener");
      }
docs: Register the recovery event callback listener.
  
  @param rel The new recovery event listener