text: #import "TransitionOptions.h"
  #import <Foundation/Foundation.h>
  
  typedef void (^RNNAnimationEndedBlock)(void);
  
  @interface RNNSetRootAnimator : NSObject
  
  - (void)animate:(UIWindow *)window
         duration:(CGFloat)duration
       completion:(RNNAnimationEndedBlock)completion;
  
  @end
  