public void addStagingTableAtLocation(
     EObject treeMappingRoot, StagingTable theStagingTable, EObject location) {
   mappingLocator.addMappingClassAtLocation(treeMappingRoot, theStagingTable, location);
 }
 public void addMappingClassAtLocation(
     EObject treeMappingRoot, MappingClass theMappingClass, EObject location) {
   mappingLocator.addMappingClassAtLocation(treeMappingRoot, theMappingClass, location);
 }