* properties.
     * @return property name
     */
    @Nonnull
    String property() default "";

    /**
     * parameter default value, may contain <code>${...}</code> expressions which will be interpreted at
     * inject time: see
     * <a href="/ref/current/maven-core/apidocs/org/apache/maven/plugin/PluginParameterExpressionEvaluator.html">
     * PluginParameterExpressionEvaluator</a>.
     * @return the default value

         * <p>
         * Note: if a reactor build contains a plugin (with issues) and later that built plugin is used in build,
         * it will be reported as "external". It is up to developer to correctly interpret output (GAV) of issues
         * and realize that in this case he wears two hats:" "user" and "(plugin) developer".
         */
        EXTERNAL
    }

    /**