@class AVPlayerItem; @interface MPCNonZeroEffectiveRateTask : MPCDeferrableTask @property (weak, nonatomic) AVPlayerItem *playerItem; - (void).cxx_destruct; - (void)effectiveRateDidChange:(id)a0; - (id)initWithPlayerItem:(id)a0 identifier:(id)a1 timeout:(double)a2 queue:(id)a3 block:(id /* block */)a4; - (void)taskDidExecute; @end