}

    override fun isSubTypeOf(subType: KtType, superType: KtType): Boolean {
        require(subType is KtFe10Type)
        require(superType is KtFe10Type)
        val typeChecker = analysisContext.resolveSession.kotlinTypeCheckerOfOwnerModule
        return typeChecker.isSubtypeOf(subType.fe10Type, superType.fe10Type)
    }

            first.coneType,
            second.coneType
        )
    }

    override fun isSubTypeOf(subType: KtType, superType: KtType): Boolean {
        superType.assertIsValidAndAccessible()
        check(subType is KtFirType)
        check(superType is KtFirType)
        return AbstractTypeChecker.isSubtypeOf(
            createTypeCheckerContext(),
            subType.coneType,
            superType.coneType
        )

        if (
            receiverExpanded != null &&
            receiverExpanded == expectedExpanded
        ) {
            return true
        }

        return actualReceiverType.isSubTypeOf(type)
    }

    private fun KtAnalysisSession.getNonImportedSymbolsByFullyQualifiedName(fqName: FqName): Collection<KtSymbol> = buildSet {
        generateNameInterpretations(fqName).forEach { interpretation ->