code: @Override
      public void notifyFileChanges(Collection<String> createdFiles, Collection<String> modifiedFiles, Collection<String> deletedFiles) {
          try {
              notificationDelegate.notifyFileChanges(createdFiles, modifiedFiles, deletedFiles);
          } catch (NullPointerException notExpectingThis) {
              // this will FFDC because we caught it, no need to do anything else
          }
      }
docs: {@inheritDoc}