code: @XmlElementDecl(namespace = "http://www.w3.org/1998/Math/MathML", name = "card")
      public JAXBElement<CardType> createCard(CardType value) {
          return new JAXBElement<CardType>(_Card_QNAME, CardType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link CardType }{@code >}}