* used by plugins.
     *
     * @param phase The phase to check for, must not be {@code null}.
     * @return {@code true} if the phase has been seen.
     */
    public boolean hasLifecyclePhase(String phase) {
        return lifecyclePhases.contains(phase);
    }

    /**
     * <strong>Warning:</strong> This is an internal utility method that is only public for technical reasons, it is not