EDIT

    protected DateTime  responseDate = new DateTime();

    @XmlElement(required = true)

    protected Request request = new Request();

    @XmlElement(name = "Identify")

    protected Identify identify;

    @XmlElement(name = "ListMetadataFormats")

     * 

     * <p>

     * Objects of the following type(s) are allowed in the list

     * 

     * 

     */

        if (error == null) {

        }

        return this.error;

    }