private void checkOpenMembers(ClassDescriptorWithResolutionScopes classDescriptor) { if (classCanHaveOpenMembers(classDescriptor)) return; for (CallableMemberDescriptor memberDescriptor : classDescriptor.getDeclaredCallableMembers()) { if (memberDescriptor.getKind() != CallableMemberDescriptor.Kind.DECLARATION) continue; JetNamedDeclaration member = (JetNamedDeclaration) DescriptorToSourceUtils.descriptorToDeclaration(memberDescriptor); if (member != null && member.hasModifier(JetTokens.OPEN_KEYWORD)) { trace.report(NON_FINAL_MEMBER_IN_FINAL_CLASS.on(member)); } } }