#import @interface REATransitionGroup : REATransition @property (nonatomic) BOOL sequence; @property (nonatomic) NSArray *transitions; - (instancetype)initWithConfig:(NSDictionary *)config; @end @interface REAVisibilityTransition : REATransition @property (nonatomic) REATransitionAnimationType animationType; - (REATransitionAnimation *)appearView:(UIView *)view inParent:(UIView *)parent; - (REATransitionAnimation *)disappearView:(UIView *)view fromParent:(UIView *)parent; - (instancetype)initWithConfig:(NSDictionary *)config; @end @interface REAInTransition : REAVisibilityTransition - (instancetype)initWithConfig:(NSDictionary *)config; @end @interface REAOutTransition : REAVisibilityTransition - (instancetype)initWithConfig:(NSDictionary *)config; @end @interface REAChangeTransition : REATransition - (instancetype)initWithConfig:(NSDictionary *)config; @end