private void checkNestedClassAllowed(
@NotNull JetModifierListOwner modifierListOwner,
@NotNull DeclarationDescriptor descriptor) {
if (modifierListOwner.hasModifier(INNER_KEYWORD)) return;
if (modifierListOwner instanceof JetClass && !(modifierListOwner instanceof JetEnumEntry)) {
JetClass aClass = (JetClass) modifierListOwner;
boolean localEnumError = aClass.isLocal() && aClass.isEnum();
if (!localEnumError && isIllegalNestedClass(descriptor)) {
trace.report(NESTED_CLASS_NOT_ALLOWED.on(aClass));
}
}
}