anchor.diff:      add_field( EXPORTING iv_name = 'VALUE'
                            ig_field = is_key-value CHANGING ct_field = lt_fields ).
   
  -    rv_string = cl_http_utility=>if_http_utility~fields_to_string( lt_fields ).
  +    rv_string = cl_http_utility=>fields_to_string( lt_fields ).
   
     ENDMETHOD.
   
  
positive.code:     add_field( EXPORTING iv_name = 'FILENAME'
                           ig_field = ig_file CHANGING ct_field = lt_fields ).
  
      rv_string = cl_http_utility=>if_http_utility~fields_to_string( lt_fields ).
  
    ENDMETHOD.
  
  
negative.code:     DATA: lt_fields TYPE tihttpnvp.
      add_field( EXPORTING iv_name = 'PATH'
                           ig_field = iv_path CHANGING ct_field = lt_fields ).
      rv_string = cl_http_utility=>fields_to_string( lt_fields ).
  
    ENDMETHOD.
  
  