buildSet {
                // Add an empty scope to the shadowed set to give GlobalSearchScope.union something
                // to work with if there are no extension tools.
                // If there are extension tools, any empty scopes, whether from shadowedSearchScope
                // on the extension tools or from this add() call, will be ignored.
                add(GlobalSearchScope.EMPTY_SCOPE)

            token,
        )
    }

    override fun analyze(elements: List<KtElement>, mode: Fe10AnalysisFacade.AnalysisMode): BindingContext {
        val element = elements.firstOrNull() ?: return BindingContext.EMPTY
        return getHandler(element).resolveSession.orThrowResolutionNotPerformedError().bindingContext
    }

    override fun getOrigin(file: VirtualFile): KtSymbolOrigin {
        return KtSymbolOrigin.SOURCE
    }

) : KtSubstitutorFactory(), Fe10KtAnalysisSessionComponent {

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

    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 }

        get() = owningProperty.token

    override val annotationsList: KtAnnotationsList
        get() = withValidityAssertion {
            KtFe10AnnotationsList.create(fieldDescriptor?.annotations ?: Annotations.EMPTY, analysisContext)
        }

            analysisContext.resolveSession.moduleDescriptor.findClassAcrossModuleDependencies(outerClassId)
                ?.unsubstitutedMemberScope
                ?: MemberScope.Empty
        } else {
            analysisContext.resolveSession.moduleDescriptor.getPackage(callableId.packageName).memberScope
        }

        @Suppress("UNCHECKED_CAST")
        return memberScope

     * or until the containing class or object symbol is found.
     *
     * Knows about the [ResolveResult.receiverClassReference] field and uses it in case it's not empty.
     */
    private fun KtAnalysisSession.findParentSymbol(resolveResult: ResolveResult, goBackSteps: Int, selectedFqName: FqName): KtSymbol? {
        return if (resolveResult.receiverClassReference != null) {

) : 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.analysis.api.lifetime.KtLifetimeToken
import org.jetbrains.kotlin.analysis.api.scopes.KtScope
import org.jetbrains.kotlin.psi.KtElement

// Resolve extensions are not supported on FE1.0, so return empty results.
internal class KtFe10ResolveExtensionInfoProvider(
    override val analysisSession: KtFe10AnalysisSession,
) : KtResolveExtensionInfoProvider(), Fe10KtAnalysisSessionComponent {
    override val token: KtLifetimeToken

        get() = owningProperty.token

    override val annotationsList: KtAnnotationsList
        get() = withValidityAssertion {
            KtFe10AnnotationsList.create(descriptor?.annotations ?: Annotations.EMPTY, analysisContext)
        }