@class DNDMeDeviceState, DNDSMeDeviceStore, NSMutableSet, NSObject;
@protocol OS_dispatch_queue, DNDSBackingStore;
@interface DNDSMeDeviceService : NSObject {
NSObject<OS_dispatch_queue> *_workQueue;
NSObject<OS_dispatch_queue> *_calloutQueue;
DNDMeDeviceState *_meDeviceState;
NSMutableSet *_listeners;
DNDSMeDeviceStore *_store;
id<DNDSBackingStore> _backingStore;
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _storeLock;
}
@property (readonly, copy, nonatomic) DNDMeDeviceState *meDeviceState;
- (void)addListener:(id)a0;
- (void)removeListener:(id)a0;
- (id)init;
- (void)_loadDataFromBackingStore;
- (void)devicesChanged;
- (void)_queue_processDevices:(id)a0 error:(id)a1;
- (void)_queue_fetchAllDevices;
- (BOOL)_saveDataToBackingStoreWithError:(id *)a0;
- (void)meDeviceChanged;
- (id)_queue_computeMeDeviceStateForDevices:(id)a0;
- (void).cxx_destruct;
- (BOOL)_queue_saveDataToBackingStoreWithError:(id *)a0;
@end