@Override
  public void uiDataSnapshot(@NotNull DataSink sink) {
    super.uiDataSnapshot(sink);
    sink.set(UNVERSIONED_FILE_PATHS_DATA_KEY,
             VcsTreeModelData.selectedUnderTag(myViewer, UNVERSIONED_FILES_TAG)
               .iterateUserObjects(FilePath.class));
    sink.set(PlatformDataKeys.DELETE_ELEMENT_PROVIDER, myDeleteProvider);
    sink.set(VcsDataKeys.CHANGE_LISTS, new ChangeList[]{myChangeList});
    sink.set(EXACTLY_SELECTED_FILES_DATA_KEY,
             VcsTreeModelData.mapToExactVirtualFile(VcsTreeModelData.exactlySelected(myViewer)));
  }
@Override
  public void uiDataSnapshot(@NotNull DataSink sink)