Instance
    host Host

    UniqueInstance host

RemoteObject
    instance InstanceId
    ident    LocalURI

    UniqueRemoteObject instance ident

UnfetchedRemoteActor
    instance InstanceId
    ident    LocalURI
    identNew RemoteObjectId
    since    UTCTime Maybe

    UniqueUnfetchedRemoteActor instance ident
    UniqueUnfetchedRemoteActorNew identNew

RemoteActor
    ident      LocalURI
    instance   InstanceId
    identNew   RemoteObjectId
    name       Text Maybe
    inbox      LocalURI
    errorSince UTCTime Maybe

    UniqueRemoteActor instance ident
    UniqueRemoteActorNew identNew

RemoteCollection
    instance   InstanceId
    ident      LocalURI
    identNew   RemoteObjectId

    UniqueRemoteCollection instance ident
    UniqueRemoteCollectionNew identNew