anchor.diff:        IMPORTING io_xml TYPE REF TO lcl_xml
         RAISING   lcx_exception.
   
  -    METHODS exists
  -      IMPORTING is_clskey        TYPE seoclskey
  -      RETURNING VALUE(rv_exists) TYPE sap_bool.
  -
       METHODS serialize_abap
         IMPORTING is_clskey        TYPE seoclskey
         RETURNING VALUE(rt_source) TYPE ty_string_tt
  
positive.code:       RAISING   lcx_exception,
      delete
        RAISING lcx_exception,
      jump
        RAISING lcx_exception.
  
  
negative.code: *
  *----------------------------------------------------------------------*
  CLASS lcl_object_clas IMPLEMENTATION.
  
    METHOD lif_object~exists.
  
      DATA: ls_clskey TYPE seoclskey.
  
  
      ls_clskey-clsname = ms_item-obj_name.
  
      CALL FUNCTION 'SEO_CLASS_EXISTENCE_CHECK'
        EXPORTING
          clskey        = ls_clskey
        EXCEPTIONS
          not_specified = 1
          not_existing  = 2
          is_interface  = 3
          no_text       = 4
          inconsistent  = 5
          OTHERS        = 6.
      IF sy-subrc = 2.
        rv_bool = abap_false.
      ELSE.
        rv_bool = abap_true.
      ENDIF.
  
    ENDMETHOD.
  
    METHOD lif_object~jump.
  
  