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

    override val upperBounds: List<KtType>
        get() = withValidityAssertion { descriptor.upperBounds.filterNot { it.isNullableAny() }.map { it.toKtType(analysisContext) } }

    override val variance: Variance
        get() = withValidityAssertion { descriptor.variance }

    override val isReified: Boolean

    )
}

private val AnnotationDescriptor.psi: KtCallElement? get() = (source as? PsiSourceElement)?.psi as? KtCallElement
internal val AnnotationDescriptor.classIdForAnnotation: ClassId? get() = annotationClass?.maybeLocalClassId
internal val AnnotationDescriptor.useSiteTarget: AnnotationUseSiteTarget?
    get() = (this as? LazyAnnotationDescriptor)?.annotationEntry?.useSiteTarget?.getAnnotationUseSiteTarget()

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

    override val nullability: KtTypeNullability
        get() = withValidityAssertion { fe10Type.ktNullability }

    override val symbol: KtTypeParameterSymbol
        get() = withValidityAssertion { KtFe10DescTypeParameterSymbol(parameter, analysisContext) }

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

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

    internal val useSiteSession: FirSession get() = firResolveSession.useSiteFirSession
    internal val firSymbolProvider: FirSymbolProvider get() = useSiteSession.symbolProvider
    internal val targetPlatform: TargetPlatform get() = useSiteSession.moduleData.platform

    val extensionTools: List<LLFirResolveExtensionTool>

) : KtReceiverParameterSymbol(), KtFe10DescSymbol<ReceiverParameterDescriptor> {

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

    override val owningCallableSymbol: KtCallableSymbol
        get() = withValidityAssertion { descriptor.containingDeclaration.toKtSymbol(analysisContext) as KtCallableSymbol }

    }

    override val isDefault: Boolean
        get() = withValidityAssertion { true }

    override val isInline: Boolean
        get() = withValidityAssertion { false }

    override val isOverride: Boolean
        get() = withValidityAssertion { propertyDescriptor.isExplicitOverride }

    override val hasBody: Boolean
        get() = withValidityAssertion { false }

    }

    override val isLateInit: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.LATEINIT_KEYWORD) }

    override val isConst: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.CONST_KEYWORD) }

    override val hasGetter: Boolean
        get() = withValidityAssertion { true }

    override val hasSetter: Boolean
        get() = withValidityAssertion { psi.isVar }

        }

    override val isExternal: Boolean
        get() = withValidityAssertion { descriptor.isExternal }

    override val isInline: Boolean
        get() = withValidityAssertion { descriptor.isInline }

    override val isOverride: Boolean
        get() = withValidityAssertion { descriptor.isExplicitOverride }

    override val isInfix: Boolean
        get() = withValidityAssertion {
            if (descriptor.isDynamic()) {

    override val token: KtLifetimeToken,
) : KtSmartCastProvider(), KtFirAnalysisSessionComponent {

    private val KtExpression.isExplicitSmartCastInfoTarget: Boolean
        get() {
            // we want to handle only most top-level parenthesised expressions
            if (parent is KtParenthesizedExpression) return false

            // expressions like `|foo.bar()|` or `|foo?.baz()|` are ignored