public class InternetExplorerDriver extends RemoteWebDriver implements TakesScreenshot {
 public InternetExplorerDriver(InternetExplorerDriverService service, Capabilities capabilities) {
   assertOnWindows();
   setCommandExecutor(new DriverCommandExecutor(service));
   startSession(capabilities);
 }
 public <X> X getScreenshotAs(OutputType<X> target) {
   // Get the screenshot as base64.
   String base64 = execute(DriverCommand.SCREENSHOT).getValue().toString();
   // ... and convert it.
   return target.convertFromBase64Png(base64);
 }
 private void setupService(int port) {
   try {
     InternetExplorerDriverService service = new InternetExplorerDriverService.Builder()
       .usingPort(port).build();
     setCommandExecutor(new DriverCommandExecutor(service));