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PiperOrigin-RevId: 552932557

fuzztest/internal/test_protobuf.proto

diff --git a/fuzztest/internal/test_protobuf.proto b/fuzztest/internal/test_protobuf.proto
index 4430140..7e9ae8e 100644
--- a/fuzztest/internal/test_protobuf.proto
+++ b/fuzztest/internal/test_protobuf.proto
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// LINT: ALLOW_GROUPS
+
 syntax = "proto2";
 
 package fuzztest.internal;
@@ -125,3 +127,10 @@
   }
   optional TestProtobufWithExtension ext = 4;
 }
+
+message MessageWithGroup {
+  optional group GroupField = 1 {
+    optional int64 field1 = 2;
+    optional int64 field2 = 3;
+  }
+}