void (@NotNull PsiClass aClass) { if (aClass.hasModifierProperty(PsiModifier.PUBLIC) || aClass.hasModifierProperty(PsiModifier.PROTECTED) || aClass.hasModifierProperty(PsiModifier.PRIVATE)) { return; } if (!ClassUtils.isInnerClass(aClass)) { return; } if (ignoreEnums && aClass.isEnum()) { return; } if (ignoreInterfaces && aClass.isInterface()) { return; } final PsiElement parent = aClass.getParent(); // parent must be class to not warn on // the type parameters of classes, anonymous classes and // enum constants for example. if (!(parent instanceof PsiClass)) { return; } registerClassError(aClass); }