public void register() {
        ProxyServer proxy = this.plugin.getBootstrap().getProxy();
        proxy.getPluginManager().registerCommand(this.plugin.getLoader(), this);

        // don't allow players to execute the slash aliases - these are just for the console.
        proxy.getDisabledCommands().addAll(Arrays.asList(SLASH_ALIASES));
    }
The aliases to register, {@link #ALIASES} + {@link #SLASH_ALIASES}.

<p>SLASH_ALIASES are registered too so the console can run '/lpb'
in the same way as 'lpb'.</p>
bungee/src/main/java/me/lucko/luckperms/bungee/BungeeCommandExecutor.java