diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index f1759a5..34f4d34 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -618,6 +618,9 @@
     status_t removeWindowInfosListener(
             const sp<gui::IWindowInfosListener>& windowInfosListener) const;
 
+    status_t getStalledTransactionInfo(
+            int pid, std::optional<TransactionHandler::StalledTransactionInfo>& result);
+
     // Implements IBinder::DeathRecipient.
     void binderDied(const wp<IBinder>& who) override;
 
@@ -1542,6 +1545,8 @@
                                           gui::WindowInfosListenerInfo* outInfo) override;
     binder::Status removeWindowInfosListener(
             const sp<gui::IWindowInfosListener>& windowInfosListener) override;
+    binder::Status getStalledTransactionInfo(int pid,
+                                             std::optional<gui::StalledTransactionInfo>* outInfo);
 
 private:
     static const constexpr bool kUsePermissionCache = true;