LayoutPrefetchRegistry unspecified API

```
public interface RecyclerView.LayoutManager.LayoutPrefetchRegistry

                    
```
Interface for LayoutManagers to request items to be prefetched, based on position, withspecified distance from viewport, which indicates priority.

Method Summary

Modifier and Type	Method	Description
`abstract void`	`addPosition(int layoutPosition, int pixelDistance)`	Requests an an item to be prefetched, based on position, with a specified distance,indicating priority.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - addPosition
```
 abstract void addPosition(int layoutPosition, int pixelDistance)
```
    Requests an an item to be prefetched, based on position, with a specified distance,indicating priority.
    
    Parameters:
    
    layoutPosition - Position of the item to prefetch.
    
    pixelDistance - Distance from the current viewport to the bounds of the item,must be non-negative.