void (@NotNull PsiClass aClass) { // no call to super, so that it doesn't drill down to inner classes if (aClass.isInterface() || aClass.isAnnotationType()) { return; } if (!aClass.hasModifierProperty(PsiModifier.ABSTRACT)) { return; } if (hasAbstractMethods(aClass)) { return; } if (ignoreUtilityClasses && UtilityClassUtil.isUtilityClass(aClass)) { return; } registerClassError(aClass); }