anchor.diff:            ls_clskey      TYPE seoclskey.
   
   
  -    io_xml->structure_read( CHANGING cg_structure = ls_vseoclass ).
  -
       read_abap( EXPORTING is_item  = is_item
                            it_files = it_files
                  CHANGING  ct_abap  = lt_source ).
  
positive.code:           lt_tpool     TYPE textpool_table,
            lv_object    TYPE dokhl-object,
            lv_state     TYPE dokhl-dokstate,
            lt_lines     TYPE tlinetab.
  
  
      CALL FUNCTION 'SEO_CLASS_GET'
        EXPORTING
          clskey       = is_clskey
          version      = seoc_version_active
        IMPORTING
          class        = ls_vseoclass
        EXCEPTIONS
          not_existing = 1
          deleted      = 2
          is_interface = 3
          model_only   = 4
          OTHERS       = 5.
      IF sy-subrc <> 0.
        _raise 'error from seo_class_get'.
      ENDIF.
  
      CLEAR: ls_vseoclass-uuid,
  
negative.code: 
  * todo, refactoring
      CASE iv_type.
        WHEN 'CLAS' OR 'INTF'.
          CALL FUNCTION 'RS_INACTIVE_OBJECTS_IN_OBJECT'
            EXPORTING
              obj_name         = lv_obj_name
  