System/Library/PrivateFrameworks/AppleMediaServices.framework
AMSThreadSafeSet.h
@class NSArray, AMSThreadSafeObject;
@interface AMSThreadSafeSet : NSObject
@property (retain, nonatomic) AMSThreadSafeObject *backingSet;
@property (readonly, copy, nonatomic) NSArray *allObjects;
@property (readonly, nonatomic) unsigned long long count;
- (id)init;
- (BOOL)containsObject:(id)a0;
- (void).cxx_destruct;
- (void)removeObject:(id)a0;
- (void)addObject:(id)a0;
@end