anchor.diff:  
     PUBLIC SECTION.
       CLASS-METHODS: serialize IMPORTING is_item TYPE st_item
  -                             RETURNING VALUE(rt_files) TYPE tt_files
  +                             RETURNING value(rt_files) TYPE tt_files
                                RAISING lcx_exception.
   
       CLASS-METHODS: deserialize IMPORTING is_item TYPE st_item
  
positive.code: 
    PUBLIC SECTION.
      CLASS-METHODS bitbyte_to_int IMPORTING iv_bits TYPE clike
                                   RETURNING VALUE(rv_int) TYPE i.
  
      CLASS-METHODS x_to_bitbyte IMPORTING iv_x TYPE x
                                 RETURNING VALUE(rv_bitbyte) TYPE t_bitbyte.
  
      CLASS-METHODS string_to_xstring_utf8 IMPORTING iv_string TYPE string
                                  RETURNING VALUE(rv_xstring) TYPE xstring.
  
      CLASS-METHODS xstring_to_string_utf8 IMPORTING iv_data TYPE xstring
                                           RETURNING VALUE(rv_string) TYPE string.
  
      CLASS-METHODS xstring_to_int IMPORTING iv_xstring TYPE xstring
                                   RETURNING VALUE(rv_i) TYPE i
                                   RAISING lcx_exception.
  
      CLASS-METHODS int_to_xstring IMPORTING iv_i TYPE i
                                             iv_length TYPE i
                                   RETURNING VALUE(rv_xstring) TYPE xstring.
  
  ENDCLASS.                    "lcl_convert DEFINITION
  
  
negative.code:                            RAISING lcx_exception.
  
  
      METHODS xml_render     RETURNING value(rv_string) TYPE string.
  
      METHODS xml_element    IMPORTING iv_name TYPE string
                             RETURNING value(ri_element) TYPE REF TO if_ixml_element.
  
      METHODS xml_add        IMPORTING ii_root TYPE REF TO if_ixml_element OPTIONAL
                                       ii_element TYPE REF TO if_ixml_element.
  
      METHODS xml_find       IMPORTING ii_root TYPE REF TO if_ixml_element OPTIONAL
                                       iv_name TYPE string
                             RETURNING value(ri_element) TYPE REF TO if_ixml_element.
  
    PRIVATE SECTION.
  
  