namespace DispenserHal.Camera.Client; public class CameraContainer { private static readonly Dictionary clientMap = new(); public static CameraClient GetClient(string sn) { return clientMap[sn]; } public static void AddClient(string sn, CameraClient client) { clientMap[sn] = client; } public static bool ContainsClient(string sn) { return clientMap.ContainsKey(sn); } }