@API(status = API.Status.STABLE)
    public @NonNull CommandTree<C> commandTree() {
        return this.commandTree;
    }
Returns the internal command tree.
<p>
Be careful when accessing the command tree. Do not interact with it, unless you
absolutely know what you're doing.

@return the command tree
cloud-core/src/main/java/org/incendo/cloud/CommandManager.java