emptySequence()
    }

    override fun getConstructors(): Sequence<KtConstructorSymbol> = withValidityAssertion { emptySequence() }

    override fun getPossibleCallableNames(): Set<Name> = withValidityAssertion {
        imports.flatMapTo(hashSetOf()) { listOfNotNull(it.callableName, it.aliasName) }
    }

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