From 8ed11a3f6a41c952004d7eeda2d629fce409b4a6 Mon Sep 17 00:00:00 2001
From: rahul yadav <rahulyadavsep92@gmail.com>
Date: Thu, 8 Jan 2026 20:45:26 +0530
Subject: [PATCH] chore: Add Clirr exemptions for Protobuf 4.27.4+ runtime

---
 .../clirr-ignored-differences.xml             | 58 ++++++++++++++++++-
 .../clirr-ignored-differences.xml             | 58 ++++++++++++++++++-
 .../clirr-ignored-differences.xml             | 58 ++++++++++++++++++-
 .../clirr-ignored-differences.xml             | 58 ++++++++++++++++++-
 4 files changed, 228 insertions(+), 4 deletions(-)

diff --git a/proto-google-cloud-spanner-admin-database-v1/clirr-ignored-differences.xml b/proto-google-cloud-spanner-admin-database-v1/clirr-ignored-differences.xml
index 3799fb341ac..fb64ee18470 100644
--- a/proto-google-cloud-spanner-admin-database-v1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-spanner-admin-database-v1/clirr-ignored-differences.xml
@@ -17,7 +17,63 @@
     <method>boolean has*(*)</method>
   </difference>
 
-  <!-- The following 7006 exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- The following exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- 5001: Removed GeneratedMessage/GeneratedMessage$Builder from superclass hierarchy -->
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*$*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*$*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/database/v1/*Proto</className>
+    <to>com/google/protobuf/GeneratedFile</to>
+  </difference>
+  <!-- 7005: Parameter type changes (BuilderParent) -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/spanner/admin/database/v1/**</className>
+    <method>* newBuilderForType(*)</method>
+    <to>**</to>
+  </difference>
+  <!-- 7006: Return type changes for internalGetFieldAccessorTable -->
+  <difference>
+    <differenceType>7006</differenceType>
+    <className>com/google/spanner/admin/database/v1/**</className>
+    <method>* internalGetFieldAccessorTable()</method>
+    <to>**</to>
+  </difference>
+  <!-- 7014: Method made final -->
+  <difference>
+    <differenceType>7014</differenceType>
+    <className>com/google/spanner/admin/database/v1/**</className>
+    <method>* getDescriptor()</method>
+  </difference>
   <difference>
     <differenceType>7006</differenceType>
     <className>com/google/spanner/admin/database/v1/**</className>
diff --git a/proto-google-cloud-spanner-admin-instance-v1/clirr-ignored-differences.xml b/proto-google-cloud-spanner-admin-instance-v1/clirr-ignored-differences.xml
index fa9181b755b..7236471b371 100644
--- a/proto-google-cloud-spanner-admin-instance-v1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-spanner-admin-instance-v1/clirr-ignored-differences.xml
@@ -17,7 +17,63 @@
     <method>boolean has*(*)</method>
   </difference>
 
-  <!-- The following 7006 exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- The following exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- 5001: Removed GeneratedMessage/GeneratedMessage$Builder from superclass hierarchy -->
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*$*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*$*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/admin/instance/v1/*Proto</className>
+    <to>com/google/protobuf/GeneratedFile</to>
+  </difference>
+  <!-- 7005: Parameter type changes (BuilderParent) -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/spanner/admin/instance/v1/**</className>
+    <method>* newBuilderForType(*)</method>
+    <to>**</to>
+  </difference>
+  <!-- 7006: Return type changes for internalGetFieldAccessorTable -->
+  <difference>
+    <differenceType>7006</differenceType>
+    <className>com/google/spanner/admin/instance/v1/**</className>
+    <method>* internalGetFieldAccessorTable()</method>
+    <to>**</to>
+  </difference>
+  <!-- 7014: Method made final -->
+  <difference>
+    <differenceType>7014</differenceType>
+    <className>com/google/spanner/admin/instance/v1/**</className>
+    <method>* getDescriptor()</method>
+  </difference>
   <difference>
     <differenceType>7006</differenceType>
     <className>com/google/spanner/admin/instance/v1/**</className>
diff --git a/proto-google-cloud-spanner-executor-v1/clirr-ignored-differences.xml b/proto-google-cloud-spanner-executor-v1/clirr-ignored-differences.xml
index c8787595be2..50ed2b0eec5 100644
--- a/proto-google-cloud-spanner-executor-v1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-spanner-executor-v1/clirr-ignored-differences.xml
@@ -37,7 +37,63 @@
     <className>com/google/spanner/executor/v1/SpannerExecutorProxyGrpc$SpannerExecutorProxyStub</className>
   </difference>
 
-  <!-- The following 7006 exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- The following exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- 5001: Removed GeneratedMessage/GeneratedMessage$Builder from superclass hierarchy -->
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*$*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*$*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/executor/v1/*Proto</className>
+    <to>com/google/protobuf/GeneratedFile</to>
+  </difference>
+  <!-- 7005: Parameter type changes (BuilderParent) -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/spanner/executor/v1/**</className>
+    <method>* newBuilderForType(*)</method>
+    <to>**</to>
+  </difference>
+  <!-- 7006: Return type changes for internalGetFieldAccessorTable -->
+  <difference>
+    <differenceType>7006</differenceType>
+    <className>com/google/spanner/executor/v1/**</className>
+    <method>* internalGetFieldAccessorTable()</method>
+    <to>**</to>
+  </difference>
+  <!-- 7014: Method made final -->
+  <difference>
+    <differenceType>7014</differenceType>
+    <className>com/google/spanner/executor/v1/**</className>
+    <method>* getDescriptor()</method>
+  </difference>
   <difference>
     <differenceType>7006</differenceType>
     <className>com/google/spanner/executor/v1/**</className>
diff --git a/proto-google-cloud-spanner-v1/clirr-ignored-differences.xml b/proto-google-cloud-spanner-v1/clirr-ignored-differences.xml
index 89fd05b2e3c..7cb9c078e67 100644
--- a/proto-google-cloud-spanner-v1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-spanner-v1/clirr-ignored-differences.xml
@@ -17,7 +17,63 @@
     <method>boolean has*(*)</method>
   </difference>
 
-  <!-- The following 7006 exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- The following exemptions are related to Protobuf 4.27.4+ runtime upgrade -->
+  <!-- 5001: Removed GeneratedMessage/GeneratedMessage$Builder from superclass hierarchy -->
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*$*$*</className>
+    <to>com/google/protobuf/GeneratedMessage</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*$*$*$Builder</className>
+    <to>com/google/protobuf/GeneratedMessage$Builder</to>
+  </difference>
+  <difference>
+    <differenceType>5001</differenceType>
+    <className>com/google/spanner/v1/*Proto</className>
+    <to>com/google/protobuf/GeneratedFile</to>
+  </difference>
+  <!-- 7005: Parameter type changes (BuilderParent) -->
+  <difference>
+    <differenceType>7005</differenceType>
+    <className>com/google/spanner/v1/**</className>
+    <method>* newBuilderForType(*)</method>
+    <to>**</to>
+  </difference>
+  <!-- 7006: Return type changes for internalGetFieldAccessorTable -->
+  <difference>
+    <differenceType>7006</differenceType>
+    <className>com/google/spanner/v1/**</className>
+    <method>* internalGetFieldAccessorTable()</method>
+    <to>**</to>
+  </difference>
+  <!-- 7014: Method made final -->
+  <difference>
+    <differenceType>7014</differenceType>
+    <className>com/google/spanner/v1/**</className>
+    <method>* getDescriptor()</method>
+  </difference>
   <difference>
     <differenceType>7006</differenceType>
     <className>com/google/spanner/v1/**</className>