54 + (instancetype)audioFilePlayerWithURL:(NSURL *)url error:(NSError **)error;
62 - (instancetype)initWithURL:(NSURL *)url error:(NSError **)error;
76 - (void)playAtTime:(uint64_t)time;
87 @property (nonatomic, strong, readonly) NSURL *url;
88 @property (nonatomic, readonly) NSTimeInterval
duration;
92 @property (nonatomic, readwrite) BOOL
loop;