code: @XmlElementDecl(namespace = "http://www.opengis.net/citygml/building/2.0", name = "BuildingPart", substitutionHeadNamespace = "http://www.opengis.net/citygml/building/2.0", substitutionHeadName = "_AbstractBuilding")
      public JAXBElement<BuildingPartType> createBuildingPart(BuildingPartType value) {
          return new JAXBElement<BuildingPartType>(_BuildingPart_QNAME, BuildingPartType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link BuildingPartType }{@code >}
  
  @param value
  Java instance representing xml element's value.
  @return
  the new instance of {@link JAXBElement }{@code <}{@link BuildingPartType }{@code >}