542                                 alternate_backend_service,  argument
548     patch_backend_service(gcp, alternate_backend_service,
551     wait_for_healthy_backends(gcp, alternate_backend_service,
556         patch_url_map_backend_service(gcp, alternate_backend_service)
561         patch_backend_service(gcp, alternate_backend_service, [])
798                                       instance_group, alternate_backend_service,  argument
810     patch_backend_service(gcp, alternate_backend_service,
813     wait_for_healthy_backends(gcp, alternate_backend_service,
831                            alternate_backend_service, same_zone_instance_group):  argument
840         alternate_backend_service, same_zone_instance_group)
851                 alternate_backend_service: alternate_service_percentage,
900         patch_backend_service(gcp, alternate_backend_service, [])
904                        alternate_backend_service, same_zone_instance_group):  argument
916         alternate_backend_service, same_zone_instance_group)
928                     'service': alternate_backend_service.url
941                     'service': alternate_backend_service.url
969                         'service': alternate_backend_service.url
1007         patch_backend_service(gcp, alternate_backend_service, [])
1011                          alternate_backend_service, same_zone_instance_group):  argument
1023         alternate_backend_service, same_zone_instance_group)
1040                 'service': alternate_backend_service.url
1077         patch_backend_service(gcp, alternate_backend_service, [])
1976         alternate_backend_service = get_backend_service(  variable
1990         alternate_backend_service = add_backend_service(  variable
2105                                                 alternate_backend_service,
2128                                            alternate_backend_service,
2132                                        alternate_backend_service,
2136                                          alternate_backend_service,