@class NSError, NSMutableDictionary, NSObject; @protocol OS_dispatch_queue, NSStreamDelegate; @interface _SYStreamGuts : NSObject { struct __CFRunLoopSource { } *_runloopSource; unsigned int _port; NSObject *_queue; id /* block */ _handler; id _delegate; NSError *_error; unsigned long long _status; NSMutableDictionary *_propertyStore; } - (void)dealloc; - (void).cxx_destruct; - (id)propertyForKey:(id)a0; - (void)storeProperty:(id)a0 forKey:(id)a1; - (void)createRunloopSourceForStream:(id)a0; - (void)postStreamEvent:(unsigned long long)a0 forStream:(id)a1; - (void)setEventHandler:(id /* block */)a0 queue:(id)a1; @end