void (@NotNull PsiReferenceExpression expression) { super.visitReferenceExpression(expression); PsiType type = expression.getType(); if (type != null) { PsiTypesUtil.TypeParameterSearcher searcher = new PsiTypesUtil.TypeParameterSearcher(); type.accept(searcher); for (PsiTypeParameter parameter : searcher.getTypeParameters()) { final PsiTypeParameterListOwner owner = parameter.getOwner(); if (owner instanceof PsiClass && myClassSuperClasses.contains(owner)) { myResult = true; break; } } } }