anchor.diff:  CLASS lcl_gui_page_db DEFINITION FINAL INHERITING FROM lcl_gui_page_super.
   
     PUBLIC SECTION.
  -    METHODS lif_gui_page~on_event REDEFINITION.
       METHODS lif_gui_page~render   REDEFINITION.
  -
  -  PRIVATE SECTION.
  -    METHODS:
  -      delete
  -        IMPORTING is_key TYPE lcl_persistence_db=>ty_content
  -        RAISING   lcx_exception,
  -      delete_popup
  -        RETURNING VALUE(rv_continue) TYPE abap_bool
  -        RAISING   lcx_exception,
  -      key_encode
  -        IMPORTING is_key           TYPE lcl_persistence_db=>ty_content
  -        RETURNING VALUE(rv_string) TYPE string,
  -      key_decode
  -        IMPORTING iv_string     TYPE clike
  -        RETURNING VALUE(rs_key) TYPE lcl_persistence_db=>ty_content.
   
   ENDCLASS.
   
  
positive.code:         _raise lv_message.
      ENDTRY.
  
    ENDMETHOD.        " get_home_page
  
    METHOD get_page_diff.
  
  
negative.code: 
  CLASS lcl_gui_page_db IMPLEMENTATION.
  
    METHOD lif_gui_page~render.
  
      DATA: lt_data    TYPE lcl_persistence_db=>tt_content,
  