@Nullable
  public PsiClass enclosingClass(GdslMembersHolderConsumer consumer) {
    final PsiElement place = consumer.getPlace();
    if (place == null) return null;
    return PsiTreeUtil.getParentOfType(place, PsiClass.class, true);
  }
@Nullable
  public PsiClass enclosingClass(GdslMembersHolderConsumer consumer)