@class SYVectorClock, NSDictionary, NSObject, SYSyncEngine, SYDevice, NSMutableArray, SYPersistentStore, NSString, _SYMultiSuspendableQueue, NSMutableSet, SYSession, PBCodable, _SYQueuedStartSession;
@protocol OS_os_activity, OS_dispatch_source, OS_dispatch_queue, SYServiceDelegate;
@interface SYService : NSObject <SYSyncEngineResponder, SYStateLoggable> {
NSDictionary *_customIDSOptions;
SYSession *_currentSession;
id<SYServiceDelegate> _delegate;
NSObject<OS_dispatch_queue> *_incomingIOQueue;
NSObject<OS_dispatch_queue> *_delegateQueue;
NSObject<OS_dispatch_source> *_processSignalSource;
SYPersistentStore *_persistentStore;
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _persistentStoreLock;
SYVectorClock *_vectorClock;
NSMutableSet *_rejectingV1SyncSessions;
NSString *_inFlightSyncRequestIdentifier;
_SYQueuedStartSession *_queuedStartSession;
SYDevice *_targetedDevice;
NSMutableArray *_onSessionEnd;
unsigned long long _stateHandle;
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _flagLock;
struct { unsigned char isMaster : 1; unsigned char hasChanges : 1; unsigned char needsReset : 1; unsigned char hasPairingStore : 1; unsigned char isRunning : 1; unsigned char registeredForPairingNotifications : 1; unsigned char remoteProtocolVersion : 3; unsigned char remoteDeviceIsWatch : 1; unsigned char isObservingRemoteDeviceProperties : 1; unsigned char requestedEngineType : 3; unsigned char assignedEngineType : 3; unsigned char suspendedForQWS : 1; } _flags;
}
@property (copy, nonatomic) NSDictionary *customIDSOptions;
@property (readonly, nonatomic) BOOL hasPairingStore;
@property (readonly, nonatomic) SYSyncEngine *syncEngine;
@property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue;
@property (readonly, nonatomic) SYPersistentStore *persistentStore;
@property (readonly, nonatomic) _SYMultiSuspendableQueue *sessionQueue;
@property (readonly, nonatomic) NSObject<OS_os_activity> *serviceActivity;
@property (readonly, nonatomic) NSString *peerID;
@property (nonatomic) unsigned int engineType;
@property (readonly, nonatomic) NSString *generationID;
@property (readonly, nonatomic) NSString *name;
@property (nonatomic) long long priority;
@property (readonly, nonatomic) BOOL isMasterStore;
@property (nonatomic) double defaultMessageTimeout;
@property (nonatomic) double sessionStalenessInterval;
@property (readonly, nonatomic) BOOL targetIsInProximity;
@property (readonly, nonatomic) BOOL targetIsConnected;
@property (readonly) SYSession *currentSession;
@property (retain, nonatomic) NSDictionary *options;
@property (nonatomic) long long sendingBufferCap;
@property (readonly, nonatomic) NSDictionary *extraTransportOptions;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;
@property (readonly, nonatomic) PBCodable *stateForLogging;
- (BOOL)resume:(id *)a0;
- (void)_downgradeEngineForVersion:(int)a0;
- (BOOL)_handleEndSessionResponse:(id)a0 error:(id *)a1;
- (id)init;
- (void)_upgradeEngineTo:(unsigned int)a0;
- (void)_vectorClockUpdated;
- (void)_peerRejectedVersion:(id)a0 completion:(id /* block */)a1;
- (BOOL)_v1_handleFullSyncRequestAck:(id)a0 error:(id *)a1;
- (void)_swapSessionForVersionChange;
- (void)dealloc;
- (BOOL)_handleSyncBatchResponse:(id)a0 error:(id *)a1;
- (id)initWithService:(id)a0 priority:(long long)a1 qos:(unsigned int)a2 asMasterStore:(BOOL)a3 options:(id)a4;
- (id)_newMessageHeader;
- (void)handleSyncError:(id)a0 forMessageWithIdentifier:(id)a1;
- (void)_v1_handleSyncAllObjects:(id)a0 completion:(id /* block */)a1;
- (void)_sendResetRequest;
- (void)suspend;
- (void)_suspend;
- (void)_deviceRemoved:(id)a0;
- (void)_processPendingChanges;
- (void)_wrapUpCurrentSession:(id)a0;
- (void)sessionFailedToCancelMessageUUIDs:(id)a0;
- (void)handleSyncRequest:(id)a0 ofType:(unsigned short)a1 response:(id /* block */)a2;
- (void)_swapEngineTo:(unsigned int)a0;
- (void)enqueuedMessageWithID:(id)a0 context:(id)a1;
- (void)_deviceOSInfoChanged:(id)a0;
- (void)_whenSessionEnds:(id /* block */)a0;
- (void)_v1_handleBatchSyncChunk:(id)a0 completion:(id /* block */)a1;
- (void)_setupPairingStoreWithDevice:(id)a0;
- (id)_claimOwnershipOfFileAtURL:(id)a0 error:(id *)a1;
- (BOOL)_shouldSession:(id)a0 fromPeer:(id)a1 supercedeSession:(id)a2 ofAge:(double)a3 collisionDetected:(BOOL *)a4;
- (BOOL)_v1_handleBatchEndResponse:(id)a0 error:(id *)a1;
- (void)_v1_handleFullSyncRequest:(id)a0 completion:(id /* block */)a1;
- (void)handleSyncResponse:(id)a0 ofType:(unsigned short)a1 completion:(id /* block */)a2;
- (BOOL)_protocolVersion:(int)a0 supportsEngineType:(unsigned int)a1;
- (BOOL)_initializeMessaging:(id *)a0;
- (void)_handleSyncBatch:(id)a0 completion:(id /* block */)a1;
- (id)_chooseBetweenCollidingSessions:(id)a0 :(id)a1;
- (void)_updateMetaProtocolInfoForDevice:(id)a0;
- (void)_enqueueIncomingStartSessionRequest:(id)a0 withCompletion:(id /* block */)a1;
- (void)_handleError:(id)a0;
- (id)_sessionFromIncomingStartRequest:(id)a0;
- (void)dataStreamWithMetadata:(id)a0 options:(id)a1 completion:(id /* block */)a2;
- (void)_handleResetRequest:(id)a0 completion:(id /* block */)a1;
- (void)deliveredMessageWithID:(id)a0 context:(id)a1;
- (BOOL)_handleRestartSessionResponse:(id)a0 error:(id *)a1;
- (void)_setupPairingNotifications;
- (void)_postVersionRejectionMessageForMessageWithID:(id)a0;
- (id)_makeSyncEngineOfType:(unsigned int)a0;
- (void)_signalPairingStoreUnavailable;
- (id)dataStreamWithMetadata:(id)a0 options:(id)a1 identifier:(id *)a2 error:(id *)a3;
- (void)_copyPeerClockFromMessageHeaderIfNecessary:(id)a0;
- (void)_deviceTargetabilityChanged:(id)a0;
- (BOOL)_handleResetResponse:(id)a0 error:(id *)a1;
- (BOOL)sendData:(id)a0 options:(id)a1 identifier:(id *)a2 error:(id *)a3;
- (void)setHasChangesAvailable;
- (id)_pathForDataStore;
- (void)sessionDidEnd:(id)a0 withError:(id)a1;
- (void)_signalPairingStoreAvailable;
- (void)setNeedsResetSync;
- (BOOL)willAcceptMessageWithHeader:(id)a0 messageID:(id)a1;
- (BOOL)_handleStartSessionResponse:(id)a0 error:(id *)a1;
- (void)setDelegate:(id)a0 queue:(id)a1;
- (void).cxx_destruct;
- (BOOL)_initializeServiceDB:(id *)a0;
- (BOOL)_request:(id)a0 hasValidSessionIDForSession:(id)a1 response:(id)a2 completion:(id /* block */)a3;
- (void)sendData:(id)a0 options:(id)a1 completion:(id /* block */)a2;
- (void)handleOutOfBandData:(id)a0 completion:(id /* block */)a1;
- (void)_removePairingStoreDevice;
- (void)_v1_handleBatchSyncStart:(id)a0 completion:(id /* block */)a1;
- (void)serializeForIncomingSession:(id /* block */)a0;
- (void)sentMessageWithID:(id)a0 context:(id)a1;
- (BOOL)_v1_handleBatchChunkAck:(id)a0 error:(id *)a1;
- (void)currentDeviceConnectionChanged:(BOOL)a0;
- (id)_makeSessionForDeltaSync:(BOOL)a0;
- (void)_switchToNewTargetedDevice:(id)a0;
- (void)_setProtocolVersionForRemoteOSVersion:(id)a0 build:(id)a1 remoteIsWatch:(BOOL)a2 switchingEngines:(BOOL)a3;
- (void)handleFileTransfer:(id)a0 metadata:(id)a1 completion:(id /* block */)a2;
- (void)_handleEndSession:(id)a0 completion:(id /* block */)a1;
- (id)initWithService:(id)a0 priority:(long long)a1 asMasterStore:(BOOL)a2 options:(id)a3;
- (void)_handleRestartSession:(id)a0 completion:(id /* block */)a1;
- (void)_dealWithPotentiallyStallingCurrentSession;
- (void)_handleStartSession:(id)a0 completion:(id /* block */)a1;
- (void)currentDeviceProximityChanged:(BOOL)a0;
- (void)_v1_handleChangeMessage:(id)a0 completion:(id /* block */)a1;
- (void)_v1_handleBatchSyncEnd:(id)a0 completion:(id /* block */)a1;
- (void)_ifDelegateImplements:(SEL)a0 do:(id /* block */)a1 then:(id /* block */)a2;
@end