# define afb_service_call afb_service_call_v3
# define afb_service_call_sync afb_service_call_sync_v3
+# define afb_service_call_legacy afb_service_call_legacy_v3
+# define afb_service_call_sync_legacy afb_service_call_sync_legacy_v3
# define AFB_ERROR AFB_ERROR_V3
# define AFB_WARNING AFB_WARNING_V3