override val name: Name
        get() = withValidityAssertion { descriptor.name }

    // There doesn't seem to be a way to determine if `descriptor` has a body or not, so we return an initializer even for enum entries
    // without a body.
    override val enumEntryInitializer: KtEnumEntryInitializerSymbol?
        get() = this

    private fun findReceiverFirExpression(receiverExpression: KtExpression): FirExpression? {
        if (receiverExpression is KtStatementExpression) {
            // FIR for 'KtStatementExpression' is not a 'FirExpression'
            return null
        }

        val parentCall = receiverExpression.getQualifiedExpressionForReceiver()
        if (parentCall !is KtSafeQualifiedExpression) {

                    .firstIsInstanceOrNull()
            }
            is KtClassTypeBuilder.BySymbol -> {
                getSymbolDescriptor(builder.symbol) as? ClassDescriptor
            }
        }

        if (descriptor == null) {
            val name = when (builder) {
                is KtClassTypeBuilder.ByClassId -> builder.classId.asString()
                is KtClassTypeBuilder.BySymbol ->

            buildSet {
                // Add an empty scope to the shadowed set to give GlobalSearchScope.union something
                // to work with if there are no extension tools.
                // If there are extension tools, any empty scopes, whether from shadowedSearchScope
                // on the extension tools or from this add() call, will be ignored.

        val function = assignment.operationReference.mainReference.resolve() as? KtNamedFunction ?: return null
        val name = function.name ?: return null
        return if (Name.identifier(name) in OperatorConventions.ASSIGNMENT_OPERATIONS.values)
            ReferenceAccess.READ to assignment
        else
            null
    }

        get() = analysisSession.token

    override fun getSamConstructor(ktClassLikeSymbol: KtClassLikeSymbol): KtSamConstructorSymbol?  {
        val descriptor = getSymbolDescriptor(ktClassLikeSymbol)
        if (descriptor is ClassDescriptor && getSingleAbstractMethodOrNull(descriptor) != null) {
            val constructorDescriptor = createSamConstructorFunction(
                descriptor.containingDeclaration,
                descriptor,

        KtPsiBasedSymbolPointer.createForSymbolFromSource<KtSamConstructorSymbol>(this)?.let {
            return it
        }

        val classId = descriptor.baseDescriptorForSynthetic.classId
        if (classId != null) {
            return KtFe10DescSamConstructorSymbolPointer(classId)
        }

        return KtFe10NeverRestoringSymbolPointer()
    }

    override fun equals(other: Any?): Boolean = isEqualTo(other)

        get() = withValidityAssertion { descriptor?.returnType?.toKtType(analysisContext) ?: createErrorType() }

    override val receiverParameter: KtReceiverParameterSymbol?
        get() = withValidityAssertion {
            if (!propertyPsi.isExtensionDeclaration()) {
                return null
            }

            descriptor?.extensionReceiverParameter?.toKtReceiverParameterSymbol(analysisContext)
        }

    private fun <T> visitValueParameterReference(
        valueParameterReference: ConeValueParameterReference,
        constructor: (KtParameterSymbol) -> T
    ): T = constructor(
        if (valueParameterReference.parameterIndex == -1) firFunctionSymbol.receiverParameter
            ?: errorWithAttachment("${firFunctionSymbol::class} should contain a receiver") {

        get() = withValidityAssertion { descriptor?.returnType?.toKtType(analysisContext) ?: createErrorType() }

    override val receiverParameter: KtReceiverParameterSymbol?
        get() = withValidityAssertion {
            if (!psi.isExtensionDeclaration()) {
                return null
            }

            return descriptor?.extensionReceiverParameter?.toKtReceiverParameterSymbol(analysisContext)
        }