Add isChunkInUse() to World. Addresses BUKKIT-2330

src/main/java/org/bukkit/World.java

@@ -152,6 +152,15 @@ public interface World extends PluginMessageRecipient, Metadatable {
      */
     public boolean isChunkLoaded(int x, int z);
 
+    /**
+     * Checks if the {@link Chunk} at the specified coordinates is loaded and in use by one or more players
+     *
+     * @param x X-coordinate of the chunk
+     * @param z Z-coordinate of the chunk
+     * @return true if the chunk is loaded and in use by one or more players, otherwise false
+     */
+    public boolean isChunkInUse(int x, int z);
+
     /**
      * Loads the {@link Chunk} at the specified coordinates
      * <p />