fun getSamConstructor(firClass: FirRegularClass): FirSimpleFunction? {
            val samConstructor = bodyResolveComponents.samResolver.getSamConstructor(firClass) ?: return null
            if (samConstructor.origin != FirDeclarationOrigin.SamConstructor) return null
            return samConstructor
        }
    }

        get() = withValidityAssertion { descriptor.createContextReceivers(analysisContext) }

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

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { expandedDescriptor.getSymbolOrigin(analysisContext) }

    override val typeParameters: List<KtTypeParameterSymbol>

        val bindingContext = analysisContext.analyze(accessorPsi, AnalysisMode.PARTIAL)
        bindingContext[BindingContext.PROPERTY_ACCESSOR, accessorPsi]?.valueParameters?.single()
    }

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { KtSymbolOrigin.SOURCE_MEMBER_GENERATED }

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

        return super.getCallableSymbols(nameFilter).filter { it.origin == KtSymbolOrigin.DELEGATED }
    }

    override fun getCallableSymbols(names: Collection<Name>): Sequence<KtCallableSymbol> = withValidityAssertion {
        return super.getCallableSymbols(names).filter { it.origin == KtSymbolOrigin.DELEGATED }
    }

        val bindingContext = analysisContext.analyze(propertyPsi, Fe10AnalysisFacade.AnalysisMode.PARTIAL)
        (bindingContext[BindingContext.VARIABLE, propertyPsi] as? PropertyDescriptor)?.getter
    }

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { propertyPsi.ktSymbolOrigin }

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

    override val isDefault: Boolean

class KtFe10PsiClassInitializerSymbol(
    override val psi: KtClassInitializer,
    override val analysisContext: Fe10AnalysisContext
) : KtClassInitializerSymbol(), KtFe10Symbol {
    override val origin: KtSymbolOrigin
        get() = withValidityAssertion {
            return if (psi.containingKtFile.isCompiled) {
                KtSymbolOrigin.LIBRARY
            } else {
                KtSymbolOrigin.SOURCE

        val bindingContext = analysisContext.analyze(psi, Fe10AnalysisFacade.AnalysisMode.PARTIAL)
        bindingContext[BindingContext.SCRIPT, psi]
    }

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { if (script.containingKtFile.isCompiled) KtSymbolOrigin.LIBRARY else KtSymbolOrigin.SOURCE }

    override val psi: KtScript
        get() = withValidityAssertion { script }

    override val firSymbol: FirBackingFieldSymbol,
    override val analysisSession: KtFirAnalysisSession,
) : KtBackingFieldSymbol(), KtFirSymbol<FirBackingFieldSymbol> {
    override val origin: KtSymbolOrigin get() = withValidityAssertion { super<KtBackingFieldSymbol>.origin }

    override val annotationsList: KtAnnotationsList
        get() = withValidityAssertion {
            KtFirAnnotationListForDeclaration.create(firSymbol, builder)
        }

    override val returnType: KtType
        get() = withValidityAssertion { analysisContext.builtIns.unitType.toKtType(analysisContext) }

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { propertyDescriptor.getSymbolOrigin(analysisContext) }

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

    override val psi: P
    val descriptor: D?

    override val annotationsObject: Annotations
        get() = withValidityAssertion { descriptor?.annotations ?: Annotations.EMPTY }

    override val origin: KtSymbolOrigin
        get() = withValidityAssertion { psi.ktSymbolOrigin }