@API(status = API.Status.STABLE)
    public final @NonNull HelpHandler<C> createHelpHandler(
            final @NonNull CommandPredicate<C> filter
    ) {
        return this.helpHandlerFactory.createHelpHandler(filter);
    }
Creates a new command help handler instance.
<p>
The command helper handler can be used to assist in the production of commad help menus, etc.
<p>
A filter can be specified to filter what commands
registered in this command manager are visible in the help menu.

@param filter predicate that filters what commands are displayed in the help menu.
@return a new command helper handler instance
cloud-core/src/main/java/org/incendo/cloud/CommandManager.java