diff --git a/React/Base/RCTBridgeDelegate.h b/React/Base/RCTBridgeDelegate.h
index 0154f0a6665..a58d8246f8c 100644
--- a/React/Base/RCTBridgeDelegate.h
+++ b/React/Base/RCTBridgeDelegate.h
@@ -40,6 +40,14 @@
  */
 - (NSArray<id<RCTBridgeModule>> *)extraModulesForBridge:(RCTBridge *)bridge;
 
+/**
+ * The location of bundle path, this should be a `file://` url
+ * pointing to a path inside the bundle resources, e.g. `file://..//main.jsbundle`.
+ * When running from the packager this should be an absolute URL,
+ * e.g. `http://localhost:8081/index.ios.bundle`.
+ */
+- (NSURL *)bundledSourceURLForBridge:(RCTBridge *)bridge;
+
 /**
  * Configure whether the JSCExecutor created should use the system JSC API or
  * alternative hooks provided. When returning YES from this method, you must have