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
  
positive.code: 
    PUBLIC SECTION.
      CLASS-METHODS list
        RETURNING VALUE(rt_repos) TYPE tt_repos_persi
        RAISING   lcx_exception.
  
      CLASS-METHODS update
  
negative.code:       IMPORTING is_repo          TYPE st_repo
                  is_comment       TYPE st_comment
                  it_files         TYPE tt_files
        RETURNING value(rv_branch) TYPE t_sha1
        RAISING   lcx_exception.
  
    PRIVATE SECTION.
  