@NotNull
    @Override
    protected AsyncChangesTreeModel getChangesTreeModel() {
      return SimpleAsyncChangesTreeModel.create(grouping -> {
        List<FilePath> files = SpecificFilesViewDialog.this.getFiles();
        return TreeModelBuilder.buildFromFilePaths(myProject, grouping, files);
      });
    }
@NotNull
    @Override
    protected AsyncChangesTreeModel getChangesTreeModel()