/common/segments.proto 

--- v19/common/segments.proto   2025-04-14 05:29:56.000000000 +0000
+++ v19-1/common/segments.proto 2025-04-14 05:29:59.000000000 +0000
@@ -474,6 +476,22 @@
       .ConvertingUserPriorEngagementTypeAndLtvBucketEnum
       .ConvertingUserPriorEngagementTypeAndLtvBucket
           new_versus_returning_customers = 160;
+
+  // Adjusted age range. This is the age range of the user after applying
+  // modeling to get more accurate age and gender information. Currently, both
+  // adjusted_age_range and adjusted_gender need to be selected together to get
+  // valid reach stats. These segmentations are only available for allowlisted
+  // customers.
+  google.ads.googleads.v19.enums.AgeRangeTypeEnum.AgeRangeType
+      adjusted_age_range = 196;
+
+  // Adjusted gender. This is the gender of the user after applying modeling to
+  // get more accurate age and gender information. Currently, both
+  // adjusted_age_range and adjusted_gender need to be selected together to get
+  // valid reach stats. These segmentations are only available for allowlisted
+  // customers.
+  google.ads.googleads.v19.enums.GenderTypeEnum.GenderType adjusted_gender =
+      197;
 }

 // A Keyword criterion segment.