processClassifiersByNameWithSubstitution(name) { classifier, substitutor ->
        val firDeclaration = classifier.fir
        if (firDeclaration is FirMemberDeclaration && firDeclaration.isInner) {
            processor(classifier, substitutor)
        }
    }

        // supertypes.
        delegate.processClassifiersByNameWithSubstitution(name) { classifier, substitutor ->
            if (classifier is FirRegularClassSymbol && classifier.fir.isDeclared()) {
                processor(classifier, substitutor)
            }
        }
    }

    override fun toString(): String = "Declared member scope for $delegate with owning class `${owner.classId}`"

    }

    override fun getEnhancedType(type: KtType): KtType? {
        require(type is KtFirType)
        val coneType = type.coneType
        val substitutor = EnhancedForWarningConeSubstitutor(typeContext)
        val enhancedConeType = substitutor.substituteType(coneType)

        return enhancedConeType?.asKtType()
    }

    override fun buildSelfClassType(symbol: KtNamedClassOrObjectSymbol): KtType {

- [`KT-59667`](https://youtrack.jetbrains.com/issue/KT-59667) Analysis API: PsiInvalidElementAccessException from JavaClassifierTypeImpl.substitutor
- [`KT-59705`](https://youtrack.jetbrains.com/issue/KT-59705) KotlinExceptionWithAttachments: No fir element was found for getter

            if (type.hasRecursiveTypeArgument()) return type
            // Return `null` means we will use [fir.resolve.substitution.Substitutors]'s [substituteRecursive]
            // that literally substitutes type arguments recursively.
            return null
        }

        val firClassNode = type.lookupTag.toSymbol(session) as? FirClassSymbol
        if (firClassNode != null) {

        val substitutor = (this as? FirQualifiedAccessExpression)
            ?.createConeSubstitutorFromTypeArguments(rootModuleSession, discardErrorTypes = !substituteWithErrorTypes)
            ?: ConeSubstitutor.Empty

        return resolvedArgumentMapping?.mapValuesTo(LinkedHashMap()) { (_, parameter) ->
            SubstitutedValueParameter(parameter, substitutor.substituteOrSelf(parameter.returnTypeRef.coneType))