return emptySet()
    }

    override fun getPossibleClassifierNames(): Set<Name> = withValidityAssertion {
        return emptySet()
    }

    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion {
        return scope
            .getContributedDescriptors(kindFilter = DescriptorKindFilter.FUNCTIONS)
            .asSequence()
            .filterIsInstance<ConstructorDescriptor>()