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