override fun KaSession.resolveToSymbols(): Collection<KaSymbol> {
        check(this is KaFirSession)
        val firLoop = expression.getOrBuildFirSafe<FirWhileLoop>(firResolveSession) ?: return emptyList()
        val condition = firLoop.condition as? FirFunctionCall
        val iterator = ******@****.*** {

            }
        }
    }

    override fun getCallableSymbols(names: Collection<Name>): Sequence<KaCallableSymbol> = withValidityAssertion {
        if (names.isEmpty()) return emptySequence()
        val namesSet = names.toSet()
        return getCallableSymbols { it in namesSet }
    }

    override fun getClassifierSymbols(nameFilter: KaScopeNameFilter): Sequence<KaClassifierSymbol> = withValidityAssertion {
        sequence {

    override fun mapTypeToJvmType(type: KaType, mode: TypeMappingMode): Type {
        return analysisSession.useSiteSession.jvmTypeMapper.mapType(type.coneType, mode, sw = null, unresolvedQualifierRemapper = null)
    }

    override fun isPrimitiveBacked(type: KaType): Boolean {
        return analysisSession.useSiteSession.jvmTypeMapper.isPrimitiveBacked(type.coneType)
    }

        require(analysisSession is KaFirSession)
        val propertySymbol = with(analysisSession) {
            propertySymbolPointer.restoreSymbol()
        } ?: return null

        check(propertySymbol is KaFirKotlinPropertySymbol)
        return analysisSession.firSymbolBuilder.variableLikeBuilder.buildBackingFieldSymbolByProperty(propertySymbol.firSymbol)
    }

@OptIn(ExperimentalTopLevelDeclarationsGenerationApi::class)
internal object DeclarationsInPackageProvider {
    internal fun getTopLevelClassifierNamesInPackageProvider(packageFqName: FqName, analysisSession: KaFirSession): Set<Name> {
        return buildSet {
            addAll(
                analysisSession.symbolNamesProvider.getTopLevelClassifierNamesInPackage(packageFqName)

    override fun mapTypeToJvmType(type: KaType, mode: TypeMappingMode): Type {
        val kotlinType = (type as KaFe10Type).fe10Type
        return typeMapper.mapType(kotlinType, mode)
    }

    override fun isPrimitiveBacked(type: KaType): Boolean {
        val kotlinType = (type as KaFe10Type).fe10Type
        return typeMapper.isPrimitiveBacked(kotlinType)
    }

        require(actual is KaFirSymbol<*>)
        val firSymbol = actual.firSymbol
        if (firSymbol !is FirCallableSymbol && firSymbol !is FirClassSymbol && firSymbol !is FirTypeAliasSymbol) {
            return emptyList()
        }

        return firSymbol.expectForActual?.get(ExpectActualMatchingCompatibility.MatchedSuccessfully)
            ?.map { analysisSession.firSymbolBuilder.buildSymbol(it) as KaDeclarationSymbol }.orEmpty()
    }

    override val analysisSession: KaFirSession
) : KaSubstitutorFactory(), KaFirSessionComponent {

    override fun buildSubstitutor(builder: KaSubstitutorBuilder): KaSubstitutor {
        if (builder.mappings.isEmpty()) return KaSubstitutor.Empty(token)

        val firSubstitution = buildMap {
            builder.mappings.forEach { (ktTypeParameterSymbol, ktType) ->
                check(ktTypeParameterSymbol is KaFirTypeParameterSymbol)

        second.assertIsValidAndAccessible()
        check(first is KaFirType)
        check(second is KaFirType)
        return AbstractTypeChecker.equalTypes(
            createTypeCheckerContext(errorTypePolicy),
            first.coneType,
            second.coneType,
        )
    }

    }

    override fun computeTestDataPath(path: Path): Path {
        val newPath = path.resolveSibling(path.nameWithoutExtension + "." + testPrefix + "." + path.extension)
        if (newPath.toFile().exists()) return newPath
        return path
    }