Add javadoc comments to generateTree

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java

@@ -330,8 +330,10 @@ public class BukkitWorld extends AbstractWorld {
 
     @Override
     public boolean generateTree(TreeGenerator.TreeType type, EditSession editSession, BlockVector3 pt) {
+        //FAWE start - allow tree commands to be undone and obey region restrictions
         return TaskManager.IMP.sync(() -> WorldEditPlugin.getInstance().getBukkitImplAdapter().generateTree(type, editSession, pt,
                 getWorld()));
+        //FAWE end
     }
 
     @Override