import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol

internal class KtFirSignatureSubstitutor(
    override val analysisSession: KtFirAnalysisSession
) : AbstractKtSignatureSubstitutor(), KtFirAnalysisSessionComponent {
    override fun <S : KtFunctionLikeSymbol> asSignature(symbol: S): KtFunctionLikeSignature<S> {
        val firSymbol = (symbol as KtFirSymbol<*>).firSymbol as FirFunctionSymbol<*>

internal interface KtFe10DescMemberSymbol<T : MemberDescriptor> :
    KtFe10DescSymbol<T>, KtSymbolWithVisibility, KtSymbolWithModality, KtSymbolWithKind {
    override val modality: Modality
        get() = withValidityAssertion { descriptor.ktModality }

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

    override fun readWriteAccessWithFullExpressionByResolve(assignment: KtBinaryExpression): Pair<ReferenceAccess, KtExpression>? {
        val function = assignment.operationReference.mainReference.resolve() as? KtNamedFunction ?: return null
        val name = function.name ?: return null
        return if (Name.identifier(name) in OperatorConventions.ASSIGNMENT_OPERATIONS.values)
            ReferenceAccess.READ to assignment

    accept(ConeContractDescriptionElementToAnalysisApi(builder, firFunctionSymbol), Unit) as KtContractEffectDeclaration

private class ConeContractDescriptionElementToAnalysisApi(
    private val builder: KtSymbolByFirBuilder,
    private val firFunctionSymbol: KtFirFunctionSymbol
) : KtContractDescriptionVisitor<Any, Unit, ConeKotlinType, ConeDiagnostic>() {

    override fun visitConditionalEffectDeclaration(

internal class KtFirKDocReference(element: KDocName) : KDocReference(element), KtFirReference {
    override fun KtAnalysisSession.resolveToSymbols(): Collection<KtSymbol> {
        val fullFqName = generateSequence(element) { it.parent as? KDocName }.last().getQualifiedNameAsFqName()
        val selectedFqName = element.getQualifiedNameAsFqName()
        return KDocReferenceResolver.resolveKdocFqName(analysisSession, selectedFqName, fullFqName, element)
    }

}

internal class KtDiagnosticConverter(private val conversions: Map<AbstractKtDiagnosticFactory, KtFirDiagnosticCreator>) {
    fun convert(analysisSession: KtFirAnalysisSession, diagnostic: KtDiagnostic): KtFirDiagnostic<*> {
        val creator = conversions[diagnostic.factory] ?: buildCreatorForPluginDiagnostic(diagnostic.factory)

        @Suppress("UNCHECKED_CAST")

import org.jetbrains.kotlin.analysis.api.symbols.KtDeclarationSymbol

@OptIn(KtAnalysisNonPublicApi::class)
internal class KtFe10KlibSourceFileNameProvider(
    override val analysisSession: KtAnalysisSession,
) : KtKlibSourceFileNameProvider() {
    override fun getKlibSourceFileName(declaration: KtDeclarationSymbol): String? {
        throw NotImplementedError("Method is not implemented for FE 1.0")

import org.jetbrains.kotlin.fir.scopes.FirDelegatingContainingNamesAwareScope
import org.jetbrains.kotlin.fir.symbols.impl.FirClassifierSymbol
import org.jetbrains.kotlin.name.Name

internal class FirNoClassifiersScope(
    private val delegate: FirContainingNamesAwareScope,
) : FirDelegatingContainingNamesAwareScope(delegate) {
    override fun getClassifierNames(): Set<Name> = emptySet()

import org.jetbrains.kotlin.analysis.api.components.KtDataFlowInfoProvider
import org.jetbrains.kotlin.psi.KtExpression

@OptIn(KtAnalysisNonPublicApi::class)
internal class KtFe10DataFlowInfoProvider(override val analysisSession: KtAnalysisSession) : KtDataFlowInfoProvider() {
    override fun getExitPointSnapshot(statements: List<KtExpression>): KtDataFlowExitPointSnapshot {
        throw NotImplementedError("Method is not implemented for FE 1.0")

) : KtConstructorDelegationReference(expression), KtFirReference {

    override fun KtAnalysisSession.resolveToSymbols(): Collection<KtSymbol> {
        check(this is KtFirAnalysisSession)
        val fir = expression.getOrBuildFirSafe<FirDelegatedConstructorCall>(firResolveSession) ?: return emptyList()
        return listOfNotNull(fir.calleeReference.getResolvedKtSymbolOfNameReference(firSymbolBuilder))
    }