chore(Language Translator V3): Regnerate using updated api-definition

Author: mediumTaj

src/IBM.Watson.LanguageTranslator.v3/ILanguageTranslatorService.cs

@@ -31,7 +31,7 @@ public partial interface ILanguageTranslatorService
         DetailedResponse<DeleteModelResult> DeleteModel(string modelId);
         DetailedResponse<TranslationModel> GetModel(string modelId);
         DetailedResponse<DocumentList> ListDocuments();
-        DetailedResponse<DocumentStatus> TranslateDocument(System.IO.MemoryStream file, string fileContentType = null, string modelId = null, string source = null, string target = null, string documentId = null);
+        DetailedResponse<DocumentStatus> TranslateDocument(System.IO.MemoryStream file, string filename, string fileContentType = null, string modelId = null, string source = null, string target = null, string documentId = null);
         DetailedResponse<DocumentStatus> GetDocumentStatus(string documentId);
         DetailedResponse<object> DeleteDocument(string documentId);
         DetailedResponse<System.IO.MemoryStream> GetTranslatedDocument(string documentId, string accept = null);

src/IBM.Watson.LanguageTranslator.v3/LanguageTranslatorService.cs

@@ -628,6 +628,7 @@ public DetailedResponse<DocumentList> ListDocuments()
         /// types](https://cloud.ibm.com/docs/services/language-translator?topic=language-translator-document-translator-tutorial#supported-file-formats)
         ///
         /// Maximum file size: **20 MB**.</param>
+        /// <param name="filename">The filename for file.</param>
         /// <param name="fileContentType">The content type of file. (optional)</param>
         /// <param name="modelId">The model to use for translation. `model_id` or both `source` and `target` are
         /// required. (optional)</param>
@@ -636,12 +637,16 @@ public DetailedResponse<DocumentList> ListDocuments()
         /// <param name="documentId">To use a previously submitted document as the source for a new translation, enter
         /// the `document_id` of the document. (optional)</param>
         /// <returns><see cref="DocumentStatus" />DocumentStatus</returns>
-        public DetailedResponse<DocumentStatus> TranslateDocument(System.IO.MemoryStream file, string fileContentType = null, string modelId = null, string source = null, string target = null, string documentId = null)
+        public DetailedResponse<DocumentStatus> TranslateDocument(System.IO.MemoryStream file, string filename, string fileContentType = null, string modelId = null, string source = null, string target = null, string documentId = null)
         {
             if (file == null)
             {
                 throw new ArgumentNullException("`file` is required for `TranslateDocument`");
             }
+            if (string.IsNullOrEmpty(filename))
+            {
+                throw new ArgumentNullException("`filename` is required for `TranslateDocument`");
+            }
 
             if (string.IsNullOrEmpty(VersionDate))
             {
@@ -660,7 +665,7 @@ public DetailedResponse<DocumentStatus> TranslateDocument(System.IO.MemoryStream
                     System.Net.Http.Headers.MediaTypeHeaderValue contentType;
                     System.Net.Http.Headers.MediaTypeHeaderValue.TryParse(fileContentType, out contentType);
                     fileContent.Headers.ContentType = contentType;
-                    formData.Add(fileContent, "file", "filename");
+                    formData.Add(fileContent, "file", filename);
                 }
 
                 if (modelId != null)

test/LanguageTranslator.v3.IntegrationTests/LanguageTranslatorServiceIntegrationTests.cs

@@ -163,6 +163,7 @@ public void Documents_Success()
                     service.WithHeader("X-Watson-Test", "1");
                     translateDocumentResult = service.TranslateDocument(
                         file: ms,
+                        filename: Path.GetFileName(documentToTranslatePath),
                         fileContentType: "text/plain",
                         modelId: "en-es"
                         );