void (@NotNull PsiTypeParameter classParameter) { super.visitTypeParameter(classParameter); final PsiClassType[] extendsListTypes = classParameter.getExtendsListTypes(); if (extendsListTypes.length < 1) { return; } final PsiClassType extendsType = extendsListTypes[0]; final PsiClass aClass = extendsType.resolve(); if (aClass == null) { return; } if (!aClass.hasModifierProperty(PsiModifier.FINAL) && !aClass.isEnum()) { return; } final PsiIdentifier nameIdentifier = classParameter.getNameIdentifier(); if (nameIdentifier != null) { registerError(nameIdentifier, aClass, Integer.valueOf(1)); } }