added in version 27.1.0
  
  
android.support.v7.recyclerview.extensions
Classes
| AsyncDifferConfig<T> | Configuration object for ListAdapter,AsyncListDiffer, and similar
 background-thread list diffing adapter logic. | 
| AsyncDifferConfig.Builder<T> | Builder class for AsyncDifferConfig. | 
| AsyncListDiffer<T> | Helper for computing the difference between two lists via DiffUtilon a background
 thread. | 
| ListAdapter<T, VH extends RecyclerView.ViewHolder> | RecyclerView.Adapterbase class for presenting List data in aRecyclerView, including computing diffs between Lists on a background thread. | 
