enum RostersAction: Codable {
    case addRoster(ownerJID: String, contactJID: String, name: String?, groups: [String])
    case addRosterDone(jid: String)
    case addRosterError(reason: String)

    case rostersListUpdated([Roster])

    case markRosterAsLocallyDeleted(ownerJID: String, contactJID: String)
    case unmarkRosterAsLocallyDeleted(ownerJID: String, contactJID: String)
    case deleteRoster(ownerJID: String, contactJID: String)
    case rosterDeletingFailed(reason: String)
}