@class NSArray, MPMusicPlayerPlayParameters; @interface MPMusicPlayerPlayParametersQueueDescriptor : MPMusicPlayerQueueDescriptor { MPMusicPlayerPlayParameters *_containerPlayParameters; } @property (copy, nonatomic) NSArray *playParametersQueue; @property (retain, nonatomic) MPMusicPlayerPlayParameters *startItemPlayParameters; + (BOOL)supportsSecureCoding; - (void)encodeWithCoder:(id)a0; - (id)description; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (BOOL)isEmpty; - (id)containerPlayParameters; - (id)initWithPlayParametersQueue:(id)a0; - (void)setContainerPlayParameters:(id)a0; - (void)setEndTime:(double)a0 forItemWithPlayParameters:(id)a1; - (void)setStartTime:(double)a0 forItemWithPlayParameters:(id)a1; @end