cfg.Compression.MimeTypes = strings.Split(compress.DefaultMimeTypes, config.ValueSeparator)
	case "30":
		// V30 -> V31
		cfg.OpenID = openid.Config{}
		cfg.Policy.OPA = opa.Args{
			URL:       &xnet.URL{},
			AuthToken: "",
		}
	case "31":
		// V31 -> V32
		cfg.Notify.NSQ = make(map[string]target.NSQArgs)
		cfg.Notify.NSQ["1"] = target.NSQArgs{}
	}

	// Move to latest.

         */
        V20,

        /**
         * Validation for Maven 3.0 POM format.
         */
        V30,

        /**
         * Validation for Maven 3.1 POM format.
         */
        V31,

        /**
         * Validation for Maven 4.0 POM format.
         */
        V40,

        /**
         * Validation for Maven 4.1 POM format.
         */
        V41,

        /**