@Override
  protected GotoData getSourceAndTargetElements(Editor editor, PsiFile file) {
    final PsiMember e = findSource(editor, file);
    if (e == null) return null;
    return new GotoData(e, findTargets(e), Collections.emptyList());
  }
@Override
  protected GotoData getSourceAndTargetElements(Editor editor, PsiFile file)