Collab



CollabRoleLocal
    collab CollabId
    role   RoleId

    UniqueCollabRoleLocal collab

CollabTopicLocalRepo
    collab CollabId
    repo   RepoId

    UniqueCollabTopicLocalRepo collab

CollabTopicLocalProject
    collab  CollabId
    project ProjectId

    UniqueCollabTopicLocalProject collab

CollabTopicRemote
    collab CollabId
    topic  RemoteObjectId
    role   LocalURI       Maybe

    UniqueCollabTopicRemote collab



CollabSenderLocal
    collab   CollabId
    activity OutboxItemId

    UniqueCollabSenderLocal collab
    UniqueCollabSenderLocalActivity activity

CollabSenderRemote
    collab   CollabId
    actor    RemoteActorId
    activity RemoteActivityId

    UniqueCollabSenderRemote collab
    UniqueCollabSenderRemoteActivity activity



CollabRecipLocal
    collab CollabId
    person PersonId

    UniqueCollabRecipLocal collab

CollabRecipRemote
    collab CollabId
    actor  RemoteActorId

    UniqueCollabRecipRemote collab