diff --git a/common_service.h b/common_service.h
index 4ad8862..1d380bc 100644
--- a/common_service.h
+++ b/common_service.h
@@ -131,6 +131,10 @@
   bool GetLastAttemptError(brillo::ErrorPtr* error,
                            int32_t* out_last_attempt_error);
 
+  // Returns the current end-of-life status of the device. This value is updated
+  // on every update check and persisted on disk across reboots.
+  bool GetEolStatus(brillo::ErrorPtr* error, int32_t* out_eol_status);
+
  private:
   SystemState* system_state_;
 };