def METHOD_NAME(compute, repo, project, zone, gc_fw, circleci_api_token):
    logging.info("GCing %s, %s, %s", repo, project, zone)
    # Get list of builds, filter down to running builds:
    running = _get_running_builds(repo, circleci_api_token)
    # Stop VMs for builds that aren't running:
    _gc_compute_engine_instances(compute, project, zone, running)
    # Remove firewall rules for builds that aren't running:
    if gc_fw:
        _gc_firewall_rules(compute, project, running)