@class STStorageSpace, NSObject; @protocol OS_dispatch_source; @interface STStorageDiskMonitor : NSObject { long long _updateDelta; } @property (retain) NSObject<OS_dispatch_source> *diskSizeTimer; @property (readonly) long long deviceSize; @property (readonly) STStorageSpace *storageSpace; + (id)sharedMonitor; - (void)sync; - (id)init; - (void).cxx_destruct; - (void)startMonitor; - (void)updateDiskSpace; - (void)_sendNotify:(id)a0; - (void)sendNotify:(id)a0; - (void)stopMonitor; @end