/enums/ad_type.proto

--- v18/enums/ad_type.proto 2025-08-05 14:36:08.000000000 +0000
+++ v19/enums/ad_type.proto 2025-08-05 14:36:18.000000000 +0000
@@ -100,9 +100,6 @@
     // Video non-skippable in-stream ad.
     VIDEO_NON_SKIPPABLE_IN_STREAM_AD = 26;

-    // Video outstream ad.
-    VIDEO_OUTSTREAM_AD = 27;
-
     // Video TrueView in-stream ad.
     VIDEO_TRUEVIEW_IN_STREAM_AD = 29;

@@ -135,5 +132,8 @@

     // Demand Gen product ad.
     DEMAND_GEN_PRODUCT_AD = 39;
+
+    // YouTube Audio ad.
+    YOUTUBE_AUDIO_AD = 44;
   }
 }