public @Nls String getConflictingConjunctsMessage() {
    final PsiType[] conjuncts = getConjuncts();
    for (int i = 0; i < conjuncts.length; i++) {
      PsiClass conjunct = PsiUtil.resolveClassInClassTypeOnly(conjuncts[i]);
      if (conjunct != null && !conjunct.isInterface()) {
        for (int i1 = i + 1; i1 < conjuncts.length; i1++) {
          PsiClass oppositeConjunct = PsiUtil.resolveClassInClassTypeOnly(conjuncts[i1]);
          if (oppositeConjunct != null && !oppositeConjunct.isInterface()) {
            if (!conjunct.isInheritor(oppositeConjunct, true) && !oppositeConjunct.isInheritor(conjunct, true)) {
              return JavaPsiBundle.message("conflicting.conjuncts", conjuncts[i].getPresentableText(), conjuncts[i1].getPresentableText());
            }
          }
        }
      }
    }
    return null;
  }
public @Nls String getConflictingConjunctsMessage()