anchor.diff:  
       CLASS-METHODS get
         IMPORTING iv_key         TYPE lcl_persistence_db=>ty_value
  -      RETURNING VALUE(ro_repo) TYPE REF TO lcl_repo.
  +      RETURNING VALUE(ro_repo) TYPE REF TO lcl_repo
  +      RAISING   lcx_exception.
   
     PRIVATE SECTION.
   
  
positive.code: 
      FIELD-SYMBOLS: <lo_list> LIKE LINE OF gt_list.
  
  
      LOOP AT gt_list ASSIGNING <lo_list>.
        IF <lo_list>->get_key( ) = iv_key.
  
negative.code:          version    TYPE string,
           late_deser TYPE string,
         END OF ty_metadata.
  
  TYPES: BEGIN OF ty_login,
           username TYPE string,
           password TYPE string,
         END OF ty_login.
  
  CONSTANTS: BEGIN OF gc_type,
               commit TYPE ty_type VALUE 'commit',            "#EC NOTEXT
  