System/Library/PrivateFrameworks/MediaRemote.framework

MRUpdateContentItemMessage.h

NSObject
>
MRProtocolMessage

@class MRPlayerPath, NSArray;

@interface MRUpdateContentItemMessage : MRProtocolMessage

@property (readonly, nonatomic) MRPlayerPath *playerPath;
@property (readonly, nonatomic) NSArray *contentItems;

- (unsigned long long)type;
- (id)initWithContentItems:(id)a0 forPlayerPath:(id)a1 encoding:(long long)a2;

@end