Adds missing for getPositionHash JavaDoc.
@@ -355,6 +355,9 @@ public final class TileGrid {
*
* @param tileY
* The y-axis position of the tile, on this grid, to calculate the hash for.
+ *
+ * @return
+ * The hash.
*/
public long getPositionHash(final int tileX, final int tileY) {
// Return nothing if the tile doesn't exist on this grid.
