@Override
    public void update(@NotNull VcsLogDataPack dataPack, boolean refreshHappened) {
      myVisiblePack = dataPack;
      if (myVisiblePack.getFilters().get(VcsLogFilterCollection.REVISION_FILTER) != null) {
        myCondition = Predicates.alwaysFalse();
      }
      else {
        myCondition = null;
      }
    }
@Override
    public void update(@NotNull VcsLogDataPack dataPack, boolean refreshHappened)