private static boolean emptyBlock (PsiCodeBlock block) {
    PsiElement[] children = block.getChildren();
    for (PsiElement child : children) {
      if (child instanceof PsiComment) return false;
      if (!(child instanceof PsiWhiteSpace) && !(child instanceof PsiJavaToken)) return false;
    }
    return true;
  }
private static boolean emptyBlock (PsiCodeBlock block)