#import #import @interface PLYKeyframeAnimation : NSObject - (instancetype)initWithDuration:(CFTimeInterval)duration times:(NSArray *)times values:(NSArray *)values; - (CAKeyframeAnimation *)CAKeyframeAnimationWithKeyPath:(NSString *)keyPath; @property (nonatomic, assign, readonly) CFTimeInterval duration; @property (nonatomic, strong, readonly) NSArray *times; @property (nonatomic, strong, readonly) NSArray *values; @end