private PsiMethod findSuperMethod(PsiClass currentSuperClass, PsiMethod element) {
      final PsiSubstitutor superSubstitutor =
        TypeConversionUtil.getSuperClassSubstitutor(currentSuperClass, getPsiClass(), PsiSubstitutor.EMPTY);
      final MethodSignature signature = element.getSignature(superSubstitutor);
      return MethodSignatureUtil.findMethodBySignature(currentSuperClass, signature, false);
    }
private PsiMethod findSuperMethod(PsiClass currentSuperClass, PsiMethod element)