@class NSString, NSObject;
@protocol OS_dispatch_queue;
@interface PPKVOObserver : NSObject {
NSString *_name;
NSString *_key;
id _observee;
id /* block */ _handler;
NSObject<OS_dispatch_queue> *_queue;
}
+ (id)observerWithName:(id)a0 object:(id)a1 key:(id)a2 handler:(id /* block */)a3;
- (void)dealloc;
- (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3;
- (void).cxx_destruct;
@end