* Returns the Maven 3 phase name.
         *
         * @return the Maven 3 phase name
         */
        String v3Phase();

        /**
         * Returns the Maven 4 phase name.
         *
         * @return the Maven 4 phase name
         */
        String v4Phase();
    }

    /**
     * A link from a phase to another phase, consisting of a type which can be