@class NSString, NSObject; @interface SVKeyValueObserver : NSObject @property (readonly, copy, nonatomic) NSString *keyPath; @property (readonly, weak, nonatomic) NSObject *object; @property (readonly, nonatomic) unsigned long long options; @property (readonly, copy, nonatomic) id /* block */ change; - (void)dealloc; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (id)initWithKeyPath:(id)a0 ofObject:(id)a1 withOptions:(unsigned long long)a2 change:(id /* block */)a3; @end