}

    override fun getPackageSymbols(nameFilter: KtScopeNameFilter): Sequence<KtPackageSymbol> = withValidityAssertion {
        emptySequence()
    }

    override val token: KtLifetimeToken
        get() = analysisContext.token
}

internal class KtFe10ScopeLexical(
    override val scope: LexicalScope,
    override val analysisContext: Fe10AnalysisContext
) : KtFe10ScopeResolution(), KtLifetimeOwner {

        TypeApproximator(
            analysisContext.builtIns,
            analysisContext.resolveSession.languageVersionSettings
        )
    }

    override val token: KtLifetimeToken
        get() = analysisSession.token

    override val builtinTypes: KtBuiltinTypes by lazy(LazyThreadSafetyMode.PUBLICATION) { KtFe10BuiltinTypes(analysisContext) }

internal class KtFe10SymbolContainingDeclarationProvider(
    override val analysisSession: KtFe10AnalysisSession
) : KtSymbolContainingDeclarationProvider(), Fe10KtAnalysisSessionComponent {
    override val token: KtLifetimeToken
        get() = analysisSession.token

    override fun getContainingDeclaration(symbol: KtSymbol): KtDeclarationSymbol? {
        if (symbol is KtSymbolWithKind && symbol.symbolKind == KtSymbolKind.TOP_LEVEL) {
            return null

            is KtFirDelegatingTypeScope -> KtFirDelegatingNamesAwareScope(scope.firScope, analysisSession.firSymbolBuilder)
            is KtCompositeTypeScope -> KtCompositeScope.create(scope.subScopes.map(::getDeclarationScope), token)
            else -> unexpectedElementError<KtTypeScope>(scope)
        }
    }

) : KtSubstitutorFactory(), KtFirAnalysisSessionComponent {

    override fun buildSubstitutor(builder: KtSubstitutorBuilder): KtSubstitutor {
        if (builder.mappings.isEmpty()) return KtSubstitutor.Empty(token)

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

import org.jetbrains.kotlin.diagnostics.rendering.RootDiagnosticRendererFactory

internal abstract class KtAbstractFirDiagnostic<PSI : PsiElement>(
    private val firDiagnostic: KtPsiDiagnostic,
    override val token: KtLifetimeToken,
) : KtDiagnosticWithPsi<PSI>, KtLifetimeOwner {

    override val factoryName: String
        get() = withValidityAssertion { firDiagnostic.factory.name }

    override val defaultMessage: String

import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirBodyResolveTransformer

internal class KtFirSamResolver(
    override val analysisSession: KtFirAnalysisSession,
    override val token: KtLifetimeToken,
) : KtSamResolver(), KtFirAnalysisSessionComponent {

    override fun getSamConstructor(ktClassLikeSymbol: KtClassLikeSymbol): KtSamConstructorSymbol? {

import org.jetbrains.kotlin.fir.types.ConeClassLikeType
import org.jetbrains.kotlin.fir.types.typeContext

internal class KtFirTypeCreator(
    override val analysisSession: KtFirAnalysisSession,
    override val token: KtLifetimeToken
) : KtTypeCreator(), KtFirAnalysisSessionComponent {

    override fun buildClassType(builder: KtClassTypeBuilder): KtClassType {
        val lookupTag = when (builder) {

            KtTypeReference::class.java,
            KtPackageDirective::class.java,
            KtLabelReferenceExpression::class.java
        )
    }

    override val token: KtLifetimeToken
        get() = analysisSession.token

    override fun getKtExpressionType(expression: KtExpression): KtType? {
        // Not sure if it's safe enough. In theory, some annotations on expressions might change its type

            token,
        )
    }
    add(FirErrors.NEW_INFERENCE_ERROR) { firDiagnostic ->
        NewInferenceErrorImpl(
            firDiagnostic.a,
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }
    add(FirErrors.OTHER_ERROR) { firDiagnostic ->
        OtherErrorImpl(
            firDiagnostic as KtPsiDiagnostic,
            token,
        )
    }