@Override
  public void removeFilteringStrategy(@NotNull CommittedChangesFilterKey key) {
    final ChangeListFilteringStrategy strategy = myFilteringStrategy.removeStrategy(key);
    if (strategy != null) {
      strategy.removeChangeListener(myFilterChangeListener);
    }
    myInnerSplitter.remove(key);
  }
@Override
  public void removeFilteringStrategy(@NotNull CommittedChangesFilterKey key)