anchor.diff:          IMPORTING
             iv_tool        TYPE enhtooltype
           RETURNING
  -          value(ri_enho) TYPE REF TO lif_object_enho
  +          VALUE(ri_enho) TYPE REF TO lif_object_enho
           RAISING
             lcx_exception.
   
  
positive.code: 
      io_xml->add_xml( iv_name = 'ENHANCEMENT_DATA'
                       ii_xml = li_element ).
  
    ENDMETHOD.                    "lif_object_enho~serialize
  
  
negative.code:           EXPORTING
              is_item  = ms_item
              io_files = mo_files.
        WHEN 'WDYENH'.
          CREATE OBJECT ri_enho TYPE lcl_object_enho_wdyn
            EXPORTING
              is_item  = ms_item
              io_files = mo_files.
  * ToDo:
  *      WHEN 'ENHFUGRDATA'. "cl_enh_tool_fugr
        WHEN OTHERS.
          lcx_exception=>raise( |Unsupported ENHO type { iv_tool }| ).
      ENDCASE.
  