public static final MojoDescriptor CLEAN = createMojoDescriptor("clean");

    public static final MojoDescriptor POST_CLEAN = createMojoDescriptor("post-clean");

    // default (or at least some of them)

    public static final MojoDescriptor VALIDATE = createMojoDescriptor("validate");

    public static final MojoDescriptor INITIALIZE = createMojoDescriptor("initialize");