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