{
    // See env.py for more details
    env: {
        // null => requirement is ignored
        disk_min_free_space_gib: null,
        power_use_battery: false,
        screen_brightness_percent: 50
        cpu_max_usage_percent: 99,
        cpu_min_relative_speed: 1,
        system_allow_monitoring: false,
        browser_allow_existing_process: false,
        browser_is_headless: null,
        require_probes: null,
    }
}