static boolean showShortType(@Nullable PsiType lType, @Nullable PsiType rType) {
    if (Comparing.equal(lType, rType)) return true;

    return lType != null && rType != null &&
           (!lType.getPresentableText().equals(rType.getPresentableText()) ||
            lType.getCanonicalText().equals(rType.getCanonicalText()));
  }
static boolean showShortType(@Nullable PsiType lType, @Nullable PsiType rType)