@XmlElementDecl(namespace = "http://www.w3.org/2000/09/xmldsig#", name = "SignatureProperties")
    public JAXBElement<SignaturePropertiesType> createSignatureProperties(SignaturePropertiesType value) {
        return new JAXBElement<SignaturePropertiesType>(_SignatureProperties_QNAME, SignaturePropertiesType.class, null, value);
    }