anchor.diff:                        RAISING lcx_exception.
   
       CLASS-METHODS: popup_comment
  -                      RETURNING value(rs_comment) TYPE st_comment
  +                      RETURNING VALUE(rs_comment) TYPE st_comment
                         RAISING lcx_exception.
   
   ENDCLASS.                    "lcl_gui DEFINITION
  
positive.code: 
    PUBLIC SECTION.
      CLASS-METHODS: serialize IMPORTING is_item TYPE st_item
                               RETURNING value(rt_files) TYPE tt_files
                               RAISING lcx_exception.
  
      CLASS-METHODS: deserialize IMPORTING is_item TYPE st_item
  
negative.code:                       IMPORTING iv_html TYPE string.
  
      CLASS-METHODS: render
                        RETURNING VALUE(rv_html) TYPE string
                        RAISING lcx_exception.
  
      CLASS-METHODS: render_css
                        RETURNING VALUE(rv_html) TYPE string.
  
      CLASS-METHODS: render_repo
                        IMPORTING is_repo TYPE st_repo_sha1
                        RETURNING VALUE(rv_html) TYPE string
                        RAISING lcx_exception.
  
      CLASS-METHODS: render_header
                        RETURNING VALUE(rv_html) TYPE string.
  
      CLASS-METHODS: render_footer
                        RETURNING VALUE(rv_html) TYPE string.
  
      CLASS-METHODS: install
                        IMPORTING iv_url TYPE string
  