using System.Collections.Concurrent; namespace MareSynchronosAuthService.Services.Discovery; public interface IDiscoveryPresenceStore : IDisposable { void Publish(string uid, IEnumerable hashes, string? displayName = null); (bool Found, string Token, string? DisplayName) TryMatchAndIssueToken(string requesterUid, string hash); bool ValidateToken(string token, out string targetUid); }