this is FirNestedClassifierScope -> true
        this is FirNestedClassifierScopeWithSubstitution -> originalScope.isScopeForClass()
        this is FirClassUseSiteMemberScope -> true
        else -> false
    }

    /**
     * Assuming that both this [FirScope] and [another] are [FirNestedClassifierScope] or [FirClassUseSiteMemberScope] and both of them