package androidx.recyclerview.widget; import androidx.recyclerview.widget.TileList; public interface ThreadUtil { public interface BackgroundCallback { void loadTile(int i, int i2); void recycleTile(TileList.Tile tile); void refresh(int i); void updateRange(int i, int i2, int i3, int i4, int i5); } public interface MainThreadCallback { void addTile(int i, TileList.Tile tile); void removeTile(int i, int i2); void updateItemCount(int i, int i2); } BackgroundCallback getBackgroundProxy(BackgroundCallback backgroundCallback); MainThreadCallback getMainThreadProxy(MainThreadCallback mainThreadCallback); }