in packages/web_drivers/lib/firefox_driver_installer.dart [62:69]
Future<void> install({bool alwaysInstall = false}) async {
if (!isInstalled || alwaysInstall) {
await _installDriver();
} else {
print('INFO: Installation skipped. The driver is installed: '
'$isInstalled. User requested force install: $alwaysInstall');
}
}