feat: [translate] A new field mime_type is added to message .google.cloud.translation.v3.AdaptiveMtTranslateRequest (#7968)

* feat: A new field `mime_type` is added to message `.google.cloud.translation.v3.AdaptiveMtTranslateRequest`

PiperOrigin-RevId: 895422613

Source-Link: googleapis/googleapis@d6837a5

Source-Link: googleapis/googleapis-gen@cd509ea
Copy-Tag: eyJwIjoicGFja2FnZXMvZ29vZ2xlLWNsb3VkLXRyYW5zbGF0ZS8uT3dsQm90LnlhbWwiLCJoIjoiY2Q1MDllYWIyYTZiYTY0MzY1ODkyNTMzYjQ5ZWYyYTkzOWI4OWVmMiJ9

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Gabe Pearhill <86282859+pearigee@users.noreply.github.com>

Author: gcf-owl-bot[bot]

packages/google-cloud-translate/protos/google/cloud/translate/v3/adaptive_mt.proto

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -229,6 +229,9 @@ message AdaptiveMtTranslateRequest {
   // Required. The content of the input in string format.
   repeated string content = 3 [(google.api.field_behavior) = REQUIRED];
 
+  // The format of the source text.
+  string mime_type = 4;
+
   // Configuration for caller provided reference sentences.
   optional ReferenceSentenceConfig reference_sentence_config = 6;
 

packages/google-cloud-translate/protos/protos.d.ts

@@ -1258,7 +1258,7 @@
       "segments": [
         {
           "start": 25,
-          "end": 75,
+          "end": 79,
           "type": "FULL"
         }
       ],
@@ -1279,6 +1279,10 @@
             "name": "content",
             "type": "TYPE_STRING[]"
           },
+          {
+            "name": "mime_type",
+            "type": "TYPE_STRING"
+          },
           {
             "name": "reference_sentence_config",
             "type": ".google.cloud.translation.v3.AdaptiveMtTranslateRequest.ReferenceSentenceConfig"

packages/google-cloud-translate/protos/protos.js

@@ -42,6 +42,10 @@ function main(parent, dataset, content) {
    *  Required. The content of the input in string format.
    */
   // const content = ['abc','def']
+  /**
+   *  The format of the source text.
+   */
+  // const mimeType = 'abc123'
   /**
    *  Configuration for caller provided reference sentences.
    */

packages/google-cloud-translate/protos/protos.json

@@ -2053,6 +2053,8 @@ export class TranslationServiceClient {
  *   `projects/{project}/locations/{location-id}/adaptiveMtDatasets/{dataset}`
  * @param {string[]} request.content
  *   Required. The content of the input in string format.
+ * @param {string} request.mimeType
+ *   The format of the source text.
  * @param {google.cloud.translation.v3.AdaptiveMtTranslateRequest.ReferenceSentenceConfig} request.referenceSentenceConfig
  *   Configuration for caller provided reference sentences.
  * @param {google.cloud.translation.v3.AdaptiveMtTranslateRequest.GlossaryConfig} [request.glossaryConfig]