anchor.diff:      CLASS-METHODS get_length
         EXPORTING ev_length TYPE i
         CHANGING  cv_data   TYPE xstring.
  +
  +    CLASS-METHODS zlib_compress_length
  +        CHANGING cv_data TYPE xstring
  +        RAISING lcx_exception.
   
   ENDCLASS.                    "lcl_pack DEFINITION
   
  
positive.code: 
    ENDMETHOD.                    "decode_tree
  
    METHOD decode.
  
      DATA: lv_x              TYPE x,
  
negative.code:           lv_len            TYPE i,
            lv_sha1           TYPE ty_sha1,
            lv_ref_delta      TYPE ty_sha1,
            lv_compressed_len TYPE i,
            lv_compressed     TYPE xstring,
            lv_decompressed   TYPE xstring,
            lv_decompress_len TYPE i,
            lv_xstring        TYPE xstring,
            lv_expected       TYPE i,
            ls_object         LIKE LINE OF rt_objects.
  
  
      lv_data = iv_data.
  