code: @XmlElementDecl(namespace = "http://www.opengis.net/citygml/1.0", name = "_Site", substitutionHeadNamespace = "http://www.opengis.net/citygml/1.0", substitutionHeadName = "_CityObject")
      public JAXBElement<AbstractSiteType> create_Site(AbstractSiteType value) {
          return new JAXBElement<AbstractSiteType>(__Site_QNAME, AbstractSiteType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link AbstractSiteType }{@code >}
  
  @param value
  Java instance representing xml element's value.
  @return
  the new instance of {@link JAXBElement }{@code <}{@link AbstractSiteType }{@code >}