@class NSObject; @protocol OS_dispatch_queue, OS_os_log; @interface STYFrameworkHelper : NSObject @property (retain) NSObject<OS_dispatch_queue> *sharedSerialQueueAtUtility; @property (retain) NSObject<OS_dispatch_queue> *sharedConcurrentQueueAtUtility; @property (retain) NSObject<OS_dispatch_queue> *sharedConcurrentQueueAtBackground; @property (retain) NSObject<OS_os_log> *logHandle; + (id)sharedHelper; - (void).cxx_destruct; - (id)subsystemForSignposts; @end