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