private static LookupElementBuilder setBoldIfInClass(@NotNull PsiMember member, @Nullable PsiClass psiClass, @NotNull LookupElementBuilder builder) {
    if (psiClass != null && member.getManager().areElementsEquivalent(member.getContainingClass(), psiClass)) {
      return builder.bold();
    }
    return builder;
  }
private static LookupElementBuilder setBoldIfInClass(@NotNull PsiMember member, @Nullable PsiClass psiClass, @NotNull LookupElementBuilder builder)