역링크

class Town : EmbeddedRealmObject {
 val county: County by backlinks(County::towns)
}

class County : RealmObject {
 val towns: RealmList<Town> = realmListOf()
}

class Town {
 var county: County? = null
}

class County {
 val towns: RealmResults<Town> by backlinks(Town::county)
}

class Parent : RealmObject {
 var childrenList: RealmList<Child> = realmListOf()
 var childrenSet: RealmSet<Child> = realmSetOf()
 var childrenDictionary: RealmSet<Child?> = realmDictionaryOf() // Nullability of Child? is required by RealmDictionary
}

class Child : RealmObject {
 val parentsFromList: RealmResults<Parent> by backlinks(Parent::childrenList)
 val parentsFromSet: RealmResults<Parent> by backlinks(Parent::childrenSet)
 val parentsFromDictionary: RealmResults<Parent> by backlinks(Parent::childrenDictionary)
}