}

    /**
     * Adds a listener for configuration updates.
     *
     * @param name     The name of the listener.
     * @param listener The listener to add.
     */
    public void addUpdateConfigListener(final String name, final Supplier<String> listener) {
        updateConfigListenerMap.put(name, listener);
    }

    /**
     * Checks if the cluster state has changed.
     *