if (selfModality == Modality.OPEN) {
            val containingDeclaration = this.containingDeclaration
            if (containingDeclaration is ClassDescriptor && containingDeclaration.modality == Modality.FINAL) {
                if (this !is CallableMemberDescriptor || dispatchReceiverParameter != null) {
                    // Non-static open callables in final class are counted as final (to match FIR)

            return map {
                val overridden = (it as CallableMemberDescriptor).overriddenDescriptors.firstOrNull()
                overridden?.newCopyBuilder()
                    ?.setModality(Modality.OPEN)
                    ?.setKind(CallableMemberDescriptor.Kind.DELEGATION)
                    ?.setDispatchReceiverParameter(it.dispatchReceiverParameter)
                    ?.setPreserveSourceElement()

        IncompatibleModifiersImpl(
            firDiagnostic.a,
            firDiagnostic.b,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.REDUNDANT_OPEN_IN_INTERFACE) { firDiagnostic ->
        RedundantOpenInInterfaceImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }