using System.Text.Json.Serialization; namespace Spacebar.Models.Gateway; public class HeartbeatRequest { [JsonPropertyName("seq")] public required int? Sequence { get; set; } } public class QoSHeartbeatRequest : HeartbeatRequest { [JsonPropertyName("qos")] public required QoSPayload QoSPayload { get; set; } } public class QoSPayload { [JsonPropertyName("ver")] public int Version { get; set; } [JsonPropertyName("active")] public bool Active { get; set; } [JsonPropertyName("reasons")] public List Reasons { get; set; } = []; }