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