// Simple command with one syntaxpublic class SimpleCommand extends Command {    public SimpleCommand() {        super("hello");                // Single string argument        var nameArg = ArgumentType.String("name");                // Syntax: /hello <name>        addSyntax((sender, context) -> {            String name = context.get(nameArg);            sender.sendMessage("Hello, " + name + "!");        }, nameArg);    }}// Command with multiple syntaxespublic class MultiSyntaxCommand extends Command {    public MultiSyntaxCommand() {        super("teleport");                var xArg = ArgumentType.Double("x");        var yArg = ArgumentType.Double("y");        var zArg = ArgumentType.Double("z");        var playerArg = ArgumentType.Player("target");                // Syntax 1: /teleport <x> <y> <z>        addSyntax((sender, context) -> {            if (sender instanceof Player player) {                double x = context.get(xArg);                double y = context.get(yArg);                double z = context.get(zArg);                player.teleport(new Pos(x, y, z));            }        }, xArg, yArg, zArg);                // Syntax 2: /teleport <target>        addSyntax((sender, context) -> {            if (sender instanceof Player player) {                Player target = context.get(playerArg);                player.teleport(target.getPosition());            }        }, playerArg);    }}// Command with conditionspublic class PlayerOnlyCommand extends Command {    public PlayerOnlyCommand() {        super("fly");                // Only allow players to use this command        setCondition((sender, commandString) -> {            if (!(sender instanceof Player)) {                sender.sendMessage("This command can only be used by players!");                return false;            }            return true;        });                addSyntax((sender, context) -> {            // Command logic for players only        });    }}