code: @XmlElementDecl(namespace = "http://www.w3.org/2001/XMLSchema", name = "choice")
      public JAXBElement<ExplicitGroup> createChoice(ExplicitGroup value) {
          return new JAXBElement<ExplicitGroup>(_Choice_QNAME, ExplicitGroup.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link ExplicitGroup }{@code >}}