@class NSString; @interface OS_dispatch_source : OS_dispatch_object <OS_dispatch_object, OS_dispatch_source_nw_channel, OS_dispatch_source_sock, OS_dispatch_source_memorystatus, OS_dispatch_source_vm, OS_dispatch_source_vfs, OS_dispatch_source_interval, OS_dispatch_source_write, OS_dispatch_source_vnode, OS_dispatch_source_timer, OS_dispatch_source_signal, OS_dispatch_source_read, OS_dispatch_source_proc, OS_dispatch_source_memorypressure, OS_dispatch_source_mach_recv, OS_dispatch_source_mach_send, OS_dispatch_source_data_replace, OS_dispatch_source_data_or, OS_dispatch_source_data_add, OS_dispatch_source> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)_xref_dispose; - (oneway void)release; @end