Add a different file for a new Image translation

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using Telerik.Sitefinity.Libraries.Model;
using Telerik.Sitefinity.Localization;
using Telerik.Sitefinity.Modules.Libraries;
using Telerik.Sitefinity.Workflow;

namespace SitefinityWebApp
{
   public partial class MultilingualSupportFormediaContentSnippets
   {

       public static void CreateImageTranslationWithDifferentFileNativeAPI(CultureInfo culture, Guid masterImageId, string title, Stream imageStream, string imageFileName, string imageFileExtension)
       {
           // Ensure we are working in the correct culture.
           using (new CultureRegion(culture))
           {
               var librariesManager = LibrariesManager.GetManager();

               // Get the master version of the image
               var master = librariesManager.GetImages().FirstOrDefault(i => i.Id == masterImageId);

               if (master != null)
               {
                   // Check out the master to get a temp version.
                   var temp = librariesManager.Lifecycle.CheckOut(master) as Image;

                   temp.Title = title;
                   temp.LastModified = DateTime.UtcNow;
                   temp.UrlName = Regex.Replace(title.ToLower(), @"[^\w\-\!\$\'\(\)\=\@\d_]+", "-");
                   temp.MediaFileUrlName = Regex.Replace(imageFileName.ToLower(), @"[^\w\-\!\$\'\(\)\=\@\d_]+", "-");

                   librariesManager.Upload(temp, imageStream, imageFileExtension);

                   // Recompiles and validates the url of the image.
                   librariesManager.RecompileAndValidateUrls(temp);

                   // Checkin the temp and get the updated master version. 
                   // After the check in the temp version is deleted.
                   master = librariesManager.Lifecycle.CheckIn(temp) as Image;

                   librariesManager.SaveChanges();

                   // Publish the Image.
                   var bag = new Dictionary<string, string>();
                   bag.Add("ContentType", typeof(Image).FullName);
                   WorkflowManager.MessageWorkflow(masterImageId, typeof(Image), null, "Publish", false, bag);
               }
           }
       }
   }
}

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text.RegularExpressions;
using Telerik.Sitefinity;
using Telerik.Sitefinity.Libraries.Model;
using Telerik.Sitefinity.Localization;
using Telerik.Sitefinity.Workflow;

namespace SitefinityWebApp
{
   public class CreateImageTranslationWithDifferentFileFluentAPI
   {
       public static void CreateImageTranslationWithDifferentFileWithFluentAPI(CultureInfo culture, Guid masterImageId, string title, Stream imageStream, string imageFileName, string imageFileExtension)
       {
           // Ensure we are working in the correct culture.
           using (new CultureRegion(culture))
           {
               var count = 0;

               App.WorkWith().Images().Where(i => i.Id == masterImageId).Count(out count);

               if (count > 0)
               {
                   App.WorkWith().Image(masterImageId).CheckOut().Do(image =>
                   {
                       image.Title = title;
                       image.LastModified = DateTime.UtcNow;
                       image.UrlName = Regex.Replace(title.ToLower(), @"[^\w\-\!\$\'\(\)\=\@\d_]+", "-");
                       image.MediaFileUrlName = Regex.Replace(imageFileName.ToLower(), @"[^\w\-\!\$\'\(\)\=\@\d_]+", "-");
                   }).UploadContent(imageStream, imageFileExtension).CheckIn().Publish().SaveChanges();
               }
           }
       }
   }
}