import Foundation

typealias Credentials = [String: String]

protocol XMPPStorage: AnyObject {
    // credentials
    func getCredentialsByUUID(_ uuid: UUID) async -> Credentials?

    // roster
    func getRosterVersion(jid: JID) async -> String?
    func setRosterVersion(jid: JID, ver: String) async

    // messages

    // omemo

    // whatever else
}