code: public void getAllMapNames(Callback<List<SimpleName>> callback) throws NullPointerException {
  		gw2API.getAllMapNames(GuildWars2.lang.getValue()).enqueue(callback);
  	}
docs: For more info on map names API go <a href="https://wiki.guildwars2.com/wiki/API:1/map_names">here</a><br/>
  
  @param callback callback that is going to be used for {@link Call#enqueue(Callback)}
  @throws NullPointerException if given {@link Callback} is null
  @see SimpleName map name