) == null
    }

    override fun isArrayOrPrimitiveArray(type: KtType): Boolean {
        require(type is KtFirType)
        return type.coneType.isArrayOrPrimitiveArray
    }

    override fun isNestedArray(type: KtType): Boolean {
        if (!isArrayOrPrimitiveArray(type)) return false
        require(type is KtFirType)
        return type.coneType.arrayElementType()?.isArrayOrPrimitiveArray == true
    }

object AnalysisApiFe10TestConfiguratorFactory : AnalysisApiTestConfiguratorFactory() {
    override fun createConfigurator(data: AnalysisApiTestConfiguratorFactoryData): AnalysisApiTestConfigurator {
        require(supportMode(data))

        return when (data.moduleKind) {
            TestModuleKind.Source -> when (data.analysisSessionMode) {
                AnalysisSessionMode.Normal -> AnalysisApiFe10TestConfigurator

            filesQueueToAnalyze += containingFile
        }
    }
    while (filesQueueToAnalyze.isNotEmpty()) {
        val file = filesQueueToAnalyze.removeFirst()
        analyze(file) {
            require(this is KtFe10AnalysisSession) {
                "K2 implementation shouldn't call this code"
            }
            file.accept(InlineDelegatedPropertyAccessorsAnalyzer(analysisContext, collector))
        }
    }
}

        // represent Java classes viewed from Kotlin code, we shouldn't be able to encounter any local Java classes.
        require(!owner.isLocal) {
            "Unexpected local Java class in ${FirJavaDeclaredMembersOnlyScope::class.simpleName}."
        }
    }

    private fun FirCallableDeclaration.isDeclared(): Boolean =

/**
 * The lifetime and validity of a cached [KtFirAnalysisSession] depends on the lifetime of the underlying
 * [LLFirSession][org.jetbrains.kotlin.analysis.low.level.api.fir.sessions.LLFirSession]. This requires the [KtFirAnalysisSession] to keep a
 * strong reference to the `LLFirSession`. See the documentation of [LLFirSession][org.jetbrains.kotlin.analysis.low.level.api.fir.sessions.LLFirSession]
 * for more information.
 */

    override val hasBackingField: Boolean
        get() = withValidityAssertion {
            val bindingContext = analysisContext.analyze(psi, AnalysisMode.PARTIAL)
            bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
        }

    override val isDelegatedProperty: Boolean
        get() = withValidityAssertion {
            psi.hasDelegate()
        }

    override val isFromPrimaryConstructor: Boolean

        candidateSymbol: KtSymbolWithVisibility,
        useSiteFile: KtFileSymbol,
        position: PsiElement,
        receiverExpression: KtExpression?
    ): Boolean {
        require(candidateSymbol is KtFirSymbol<*>)
        require(useSiteFile is KtFirFileSymbol)

        if (candidateSymbol is KtFirPsiJavaClassSymbol) {
            candidateSymbol.isVisibleByPsi(useSiteFile)?.let { return it }
        }

    }

    private fun KtTypeMappingMode.toTypeMappingMode(
        type: KtType,
        isAnnotationMethod: Boolean,
        suppressWildcards: Boolean?,
    ): TypeMappingMode {
        require(type is KtFe10Type)
        return when (this) {
            KtTypeMappingMode.DEFAULT -> TypeMappingMode.DEFAULT
            KtTypeMappingMode.DEFAULT_UAST -> TypeMappingMode.DEFAULT_UAST

internal class KtFirKlibSourceFileNameProvider(
    override val analysisSession: KtFirAnalysisSession,
) : KtKlibSourceFileNameProvider() {
    override fun getKlibSourceFileName(declaration: KtDeclarationSymbol): String? {
        require(declaration is KtFirSymbol<*>)
        val sourceFile = declaration.firSymbol.klibSourceFile ?: return null
        return sourceFile.name
    }

    override val token: KtLifetimeToken,
) : KtMultiplatformInfoProvider(), KtFirAnalysisSessionComponent {
    override fun getExpectForActual(actual: KtDeclarationSymbol): List<KtDeclarationSymbol> {
        require(actual is KtFirSymbol<*>)
        val firSymbol = actual.firSymbol
        if (firSymbol !is FirCallableSymbol && firSymbol !is FirClassSymbol && firSymbol !is FirTypeAliasSymbol) {
            return emptyList()
        }