PsiType (@NotNull PsiClassType classType) { PsiClassType.ClassResolveResult resolveResult = classType.resolveGenerics(); PsiClass aClass = resolveResult.getElement(); if (aClass == null) return classType; boolean toExtend = false; PsiSubstitutor substitutor = PsiSubstitutor.EMPTY; for (PsiTypeParameter typeParameter : PsiUtil.typeParametersIterable(aClass)) { PsiType typeArgument = resolveResult.getSubstitutor().substitute(typeParameter); if (typeArgument instanceof PsiCapturedWildcardType) toExtend = true; if (typeArgument instanceof PsiWildcardType && ((PsiWildcardType)typeArgument).getBound() instanceof PsiIntersectionType) { toExtend = true; } PsiType toPut; if (typeArgument == null) { toPut = null; } else { final PsiType accepted = typeArgument.accept(this); if (typeArgument instanceof PsiIntersectionType && !(accepted instanceof PsiWildcardType)) { toPut = PsiWildcardType.createExtends(typeParameter.getManager(), accepted); } else { toPut = accepted; } } LOG.assertTrue(toPut == null || toPut.isValid(), toPut); substitutor = substitutor.put(typeParameter, toPut); } PsiAnnotation[] applicableAnnotations = classType.getApplicableAnnotations(); if (substitutor == PsiSubstitutor.EMPTY && !toExtend && applicableAnnotations.length == 0 && !(aClass instanceof PsiTypeParameter)) { return classType; } PsiManager manager = aClass.getManager(); PsiType result = JavaPsiFacade.getElementFactory(manager.getProject()) .createType(aClass, substitutor, PsiUtil.getLanguageLevel(aClass)) .annotate(TypeAnnotationProvider.Static.create(applicableAnnotations)); if (toExtend) result = PsiWildcardType.createExtends(manager, result); return result; }