PsiSubstitutor (@NotNull PsiClass candidateClass, @NotNull PsiSubstitutor candidateSubstitutor, @NotNull PsiClass aClass, @NotNull PsiSubstitutor substitutor, @NotNull PsiElementFactory elementFactory, @NotNull LanguageLevel languageLevel) { if (PsiUtil.isRawSubstitutor(aClass, substitutor)) { return elementFactory.createRawSubstitutor(candidateClass).putAll(substitutor); } PsiType containingType = elementFactory.createType(candidateClass, candidateSubstitutor, languageLevel); PsiType type = substitutor.substitute(containingType); if (!(type instanceof PsiClassType)) return candidateSubstitutor; return ((PsiClassType)type).resolveGenerics().getSubstitutor(); }