diff --git a/include/input/Input.h b/include/input/Input.h
index a8684bd..0e330e4 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -994,6 +994,15 @@
     std::vector<PointerProperties> mPointerProperties;
     std::vector<nsecs_t> mSampleEventTimes;
     std::vector<PointerCoords> mSamplePointerCoords;
+
+private:
+    /**
+     * Create a human-readable string representation of the event's data for debugging purposes.
+     *
+     * Unlike operator<<, this method does not assume that the event data is valid or consistent, or
+     * call any accessor methods that might themselves call safeDump in the case of invalid data.
+     */
+    std::string safeDump() const;
 };
 
 std::ostream& operator<<(std::ostream& out, const MotionEvent& event);