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