@class NSHashTable; @interface SGLongRunningTaskManager : NSObject { NSHashTable *_tasks; struct _opaque_pthread_mutex_t { long long __sig; char __opaque[56]; } _lock; } + (id)sharedInstance; - (id)init; - (void)dealloc; - (void)unregister:(id)a0; - (id)task; - (void).cxx_destruct; - (id)taskWithDeadline:(double)a0; - (void)tellCurrentTasksToDefer; @end