INTERFACE {{p}}if_harvest PUBLIC.
  TYPES ty_member_id TYPE c LENGTH 6.
  TYPES ty_variety   TYPE c LENGTH 4.
  TYPES ty_name      TYPE c LENGTH 30.
  TYPES ty_quantity  TYPE i.

  TYPES: BEGIN OF ty_member,
           member_id   TYPE ty_member_id,
           member_name TYPE ty_name,
         END OF ty_member.
  TYPES tt_member TYPE STANDARD TABLE OF ty_member WITH EMPTY KEY.

  TYPES: BEGIN OF ty_report,
           member_id   TYPE ty_member_id,
           variety     TYPE ty_variety,
           quantity_kg TYPE ty_quantity,
         END OF ty_report.
  TYPES tt_report TYPE STANDARD TABLE OF ty_report WITH EMPTY KEY.

  TYPES: BEGIN OF ty_result,
           variety      TYPE ty_variety,
           total_kg     TYPE ty_quantity,
           member_count TYPE i,
         END OF ty_result.
  TYPES tt_result TYPE STANDARD TABLE OF ty_result WITH EMPTY KEY.
ENDINTERFACE.