this(owner.unsubstitutedMemberScope, owner, forDelegatedMembersOnly)

        override fun getContributedVariables(name: Name, location: LookupLocation): Collection<PropertyDescriptor> {
            return allMemberScope.getContributedVariables(name, location).filter {
                it.isDeclaredInOwner() && it.isDelegatedIfRequired()
            }.mapToDelegatedIfRequired()
        }