diff --git a/include/input/Input.h b/include/input/Input.h
index a84dcfc..374254f 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -870,6 +870,10 @@
 
     void copyFrom(const MotionEvent* other, bool keepHistory);
 
+    // Initialize this event by keeping only the pointers from "other" that are in splitPointerIds.
+    void splitFrom(const MotionEvent& other, std::bitset<MAX_POINTER_ID + 1> splitPointerIds,
+                   int32_t newEventId);
+
     void addSample(
             nsecs_t eventTime,
             const PointerCoords* pointerCoords);
@@ -910,6 +914,11 @@
 
     static std::string actionToString(int32_t action);
 
+    static std::tuple<int32_t /*action*/, std::vector<PointerProperties>,
+                      std::vector<PointerCoords>>
+    split(int32_t action, int32_t flags, int32_t historySize, const std::vector<PointerProperties>&,
+          const std::vector<PointerCoords>&, std::bitset<MAX_POINTER_ID + 1> splitPointerIds);
+
     // MotionEvent will transform various axes in different ways, based on the source. For
     // example, the x and y axes will not have any offsets/translations applied if it comes from a
     // relative mouse device (since SOURCE_RELATIVE_MOUSE is a non-pointer source). These methods