@NotNull
  private static String wrapInBlock(@NotNull CommentTracker ct, @NotNull PsiElement block) {
    if (block instanceof PsiExpressionStatement) {
      return ct.text(((PsiExpressionStatement)block).getExpression());
    }
    if (block instanceof PsiCodeBlock) {
      return ct.text(block);
    }
    return "{" + ct.text(block) + "}";
  }
@NotNull
  private static String wrapInBlock(@NotNull CommentTracker ct, @NotNull PsiElement block)