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