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