code: @XmlElementDecl(namespace = "urn:oasis:names:tc:xacml:2.0:context:schema:os", name = "Subject")
      public JAXBElement<SubjectType> createSubject(SubjectType value) {
          return new JAXBElement<SubjectType>(_Subject_QNAME, SubjectType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link SubjectType }{@code >}}