//
//  NSObject+YHAnimationGroupInternal.h
//  YHAnimationDemo
//
//  Created by gaoqiang xu on 2/9/15.
//  Copyright (c) 2015 gaoqiang. All rights reserved.
//

#import "YHAnimationGroup.h"

@interface NSObject (YHAnimationGroupInternal)

+ (NSMutableArray *)yh_animationGroups;
+ (YHAnimationGroup *)yh_activeAnimationGroup;
+ (void)yh_setActiveAnimationGroup:(YHAnimationGroup *)animationGroup;

@end