anchor.diff:  
     METHOD zif_abapgit_object~serialize.
   
  -    DATA: ls_extension TYPE ty_extension.
  +    DATA: ls_extension TYPE ty_extension,
  +          lt_struc_id  TYPE STANDARD TABLE OF hier_guid,
  +          lv_struc_id  TYPE hier_guid,
  +          lt_nodes     TYPE TABLE OF hier_iface,
  +          lt_texts     TYPE TABLE OF hier_texts,
  +          lt_refs      TYPE TABLE OF hier_ref.
   
       CALL FUNCTION 'STREE_EXTENSION_EXISTS'
         EXPORTING
  
positive.code: 
  
  
  CLASS ZCL_ABAPGIT_OBJECT_SHI5 IMPLEMENTATION.
  
  
    METHOD constructor.
  
negative.code:     TYPES: tty_ttree_extt TYPE STANDARD TABLE OF ttree_extt
                                 WITH NON-UNIQUE DEFAULT KEY,
             BEGIN OF ty_extension,
               header    TYPE ttree_ext,
               texts     TYPE tty_ttree_extt,
               sequences TYPE STANDARD TABLE OF ttrees WITH NON-UNIQUE DEFAULT KEY,
             END OF ty_extension.
  
      DATA: mv_extension TYPE hier_names.
  