code: @XmlElementDecl(namespace = "urn:oasis:names:tc:xacml:3.0:core:schema:wd-17", name = "Expression")
      public JAXBElement<ExpressionType> createExpression(ExpressionType value) {
          return new JAXBElement<ExpressionType>(_Expression_QNAME, ExpressionType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link ExpressionType }{@code >}}