public class Test {
    private LuckPermsApi luckPerms;
    
    public String getChatMeta(UUID uuid, ChatMetaType type) {
        if (!luckPerms.getStorage().loadUser(uuid).join()) {
            // got an error whilst loading the user
            return null;
        }

        User user = luckPerms.getUser(uuid);
        if (user == null) {
            // user not loaded, even after requesting data from storage
            return null;
        }
        
        // the contexts for the lookup. if the prefix/suffix is set in a specific server, you'll need to add that here.
        Contexts contexts = Contexts.allowAll();

        MetaData metaData = user.getCachedData().getMetaData(contexts);
        String val = type == ChatMetaType.PREFIX ? metaData.getPrefix() : metaData.getSuffix();
        
        // cleanup the user now we're finished to prevent memory leaks.
        luckPerms.cleanupUser(user);
        
        return val;
    }
}