internal class KtFe10DescTypeParameterSymbol(
    override val descriptor: TypeParameterDescriptor,
    override val analysisContext: Fe10AnalysisContext
) : KtTypeParameterSymbol(), KtFe10DescSymbol<TypeParameterDescriptor> {
    override val name: Name
        get() = withValidityAssertion { descriptor.name }

    override val upperBounds: List<KtType>

    return when (this) {
        is KtFe10PsiSymbol<*, *> -> descriptor
        is KtFe10DescSymbol<*> -> descriptor
        is KtFe10DescSyntheticFieldSymbol -> descriptor
        is KtFe10PsiDefaultPropertyGetterSymbol -> descriptor
        is KtFe10PsiDefaultPropertySetterSymbol -> descriptor
        is KtFe10PsiDefaultSetterParameterSymbol -> descriptor
        is KtFe10DescDefaultPropertySetterSymbol -> null

        get() = withValidityAssertion { propertyPsi.ktModality ?: descriptor?.ktModality ?: Modality.FINAL }

    override val visibility: Visibility
        get() = withValidityAssertion { propertyPsi.ktVisibility ?: descriptor?.ktVisibility ?: Visibilities.Public }

    override val annotationsList: KtAnnotationsList
        get() = withValidityAssertion {

class KtFe10ReceiverParameterSymbol(
    override val descriptor: ReceiverParameterDescriptor,
    override val analysisContext: Fe10AnalysisContext,
) : KtReceiverParameterSymbol(), KtFe10DescSymbol<ReceiverParameterDescriptor> {

    override val type: KtType
        get() = withValidityAssertion {
            descriptor.returnType?.toKtType(analysisContext) ?: error("expect return type for $descriptor")
        }

internal class KtFe10DescLocalVariableSymbol(
    override val descriptor: LocalVariableDescriptor,
    override val analysisContext: Fe10AnalysisContext
) : KtLocalVariableSymbol(), KtFe10DescSymbol<LocalVariableDescriptor> {
    override val name: Name
        get() = withValidityAssertion { descriptor.name }

    override val isVal: Boolean
        get() = withValidityAssertion { !descriptor.isVar }

    override val returnType: KtType

            else -> error("Unexpected declaration type: $declaration")
        }
    }

    private fun computeClassInternalName(descriptor: ClassDescriptor): String? {
        val selfName = descriptor.name.takeIf { !it.isSpecial } ?: return null

        return when (val parent = descriptor.containingDeclaration) {
            is PackageFragmentDescriptor -> {

    override val returnType: KtType
        get() = withValidityAssertion { descriptor?.type?.toKtType(analysisContext) ?: createErrorType() }

    override val psi: PsiElement?
        get() = withValidityAssertion { null }

    override val name: Name
        get() = withValidityAssertion { descriptor?.name ?: Name.identifier("value") }

    override val annotationsList: KtAnnotationsList

    KtFe10DescSymbol<T>, KtSymbolWithVisibility, KtSymbolWithModality, KtSymbolWithKind {
    override val modality: Modality
        get() = withValidityAssertion { descriptor.ktModality }

    override val visibility: Visibility
        get() = withValidityAssertion { descriptor.ktVisibility }

                    // an `IrExternalPackageFragment` parent, which trips up code generation during IR lowering.
                    val psiSourceFile =
                        descriptor.toSourceElement.containingFile as? PsiSourceFile ?: return super.getContainerSource(descriptor)
                    return FacadeClassSourceShimForFragmentCompilation(psiSourceFile)
                }
            }
        } else {

        val descriptor = getDescriptor<ClassDescriptor>(classSymbol)
            ?: return getEmptyScope()

        return KtFe10ScopeMember(descriptor.unsubstitutedMemberScope, descriptor.constructors, analysisContext)
    }

    override fun getStaticMemberScope(symbol: KtSymbolWithMembers): KtScope {
        val descriptor = getDescriptor<ClassDescriptor>(symbol) ?: return getEmptyScope()