text: #import "MUKMediaModelCache.h"
  #import "MUKMediaAttributes.h"
  
  @interface MUKMediaAttributesCache : MUKMediaModelCache
  
  // Search for attributes in cache. If attributes can not be found, it invokes
  // loadingHandler and caches
  - (MUKMediaAttributes *)mediaAttributesAtIndex:(NSInteger)index cacheIfNeeded:(BOOL)cache loadingHandler:(MUKMediaAttributes *(^)(void))loadingHandler;
  
  @end
  