anchor.diff:  
     METHOD lif_object~exists.
   
  +    DATA: lv_object_key TYPE seu_objkey.
  +
  +    lv_object_key = ms_item-obj_name.
  +
       rv_bool = abap_true.
   
       TRY.
  -        mo_persistence->get( p_object_key           = CONV #( ms_item-obj_name )
  +        mo_persistence->get( p_object_key           = lv_object_key
                                p_version              = 'A'
                                p_existence_check_only = abap_true ).
   
  
positive.code:     super->constructor( is_item     = is_item
                          iv_language = iv_language ).
  
      mo_persistence = NEW cl_ddlx_adt_object_persist( ).
  
    ENDMETHOD.
  
  
negative.code: 
    METHOD lif_object~serialize.
  
      DATA: lv_object_key TYPE seu_objkey,
            lo_data_model TYPE REF TO if_wb_object_data_model,
            ls_data       TYPE cl_ddlx_wb_object_data=>ty_object_data,
            lv_text       TYPE string,
            lx_error      TYPE REF TO cx_root.
  
      lv_object_key = ms_item-obj_name.
  
      TRY.
          CREATE OBJECT lo_data_model
            TYPE ('CL_DDLX_WB_OBJECT_DATA').
  
          mo_persistence->get(
            EXPORTING
              p_object_key           = lv_object_key
              p_version              = 'A'
            CHANGING
              p_object_data          = lo_data_model ).
  