return when (this) {
                    is FirLocalScope -> Local
                    is FirScriptDeclarationsScope -> ScriptDeclarations
                    is FirClassUseSiteMemberScope -> ClassUseSite
                    is FirNestedClassifierScope -> NestedClassifier
                    is FirTypeParameterScope -> TypeParameter
                    is FirNestedClassifierScopeWithSubstitution -> originalScope.toPartialOrder()

                )
            }
            is FirPropertyAccessExpression, is FirCallableReferenceAccess -> {
                @Suppress("USELESS_IS_CHECK") // K2 warning suppression, TODO: KT-62472
                require(fir is FirQualifiedAccessExpression)
                when (unsubstitutedKtSignature.symbol) {
                    is KtVariableLikeSymbol -> {