diff --git a/React/Executors/RCTJSCWrapper.h b/React/Executors/RCTJSCWrapper.h
index 8a30806c1..8c4ef426e 100644
--- a/React/Executors/RCTJSCWrapper.h
+++ b/React/Executors/RCTJSCWrapper.h
@@ -9,22 +9,30 @@
 
 #import <JavaScriptCore/JavaScriptCore.h>
 
-#import "RCTDefines.h"
+#import <FBReactKit/RCTDefines.h>
 
 typedef void (*voidWithNoParamsFuncType)();
 typedef JSStringRef (*JSStringCreateWithCFStringFuncType)(CFStringRef);
 typedef JSStringRef (*JSStringCreateWithUTF8CStringFuncType)(const char *);
+typedef CFStringRef (*JSStringCopyCFStringFuncType)(CFAllocatorRef, JSStringRef);
 typedef void (*JSStringReleaseFuncType)(JSStringRef);
 typedef void (*JSGlobalContextSetNameFuncType)(JSGlobalContextRef, JSStringRef);
 typedef void (*JSObjectSetPropertyFuncType)(JSContextRef, JSObjectRef, JSStringRef, JSValueRef, JSPropertyAttributes, JSValueRef *);
 typedef JSObjectRef (*JSContextGetGlobalObjectFuncType)(JSContextRef);
 typedef JSValueRef (*JSObjectGetPropertyFuncType)(JSContextRef, JSObjectRef, JSStringRef, JSValueRef *);
+typedef bool (*JSObjectIsFunctionFuncType)(JSContextRef, JSObjectRef);
+typedef bool (*JSObjectIsConstructorFuncType)(JSContextRef, JSObjectRef);
+typedef JSPropertyNameArrayRef (*JSObjectCopyPropertyNamesFuncType)(JSContextRef, JSObjectRef);
+typedef size_t (*JSPropertyNameArrayGetCountFuncType)(JSPropertyNameArrayRef);
+typedef JSStringRef (*JSPropertyNameArrayGetNameAtIndexFuncType)(JSPropertyNameArrayRef, size_t);
+typedef void (*JSPropertyNameArrayReleaseFuncType)(JSPropertyNameArrayRef);
 typedef JSValueRef (*JSValueMakeFromJSONStringFuncType)(JSContextRef, JSStringRef);
 typedef JSValueRef (*JSObjectCallAsFunctionFuncType)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef *, JSValueRef *);
 typedef JSValueRef (*JSValueMakeNullFuncType)(JSContextRef);
 typedef JSStringRef (*JSValueCreateJSONStringFuncType)(JSContextRef, JSValueRef, unsigned, JSValueRef *);
 typedef bool (*JSValueIsUndefinedFuncType)(JSContextRef, JSValueRef);
 typedef bool (*JSValueIsNullFuncType)(JSContextRef, JSValueRef);
+typedef JSObjectRef (*JSValueToObjectFuncType)(JSContextRef, JSValueRef, JSValueRef *);
 typedef JSValueRef (*JSEvaluateScriptFuncType)(JSContextRef, JSStringRef, JSObjectRef, JSStringRef, int, JSValueRef *);
 typedef JSValueRef (*JSEvaluateBytecodeBundleFuncType)(JSContextRef, JSObjectRef, int, JSStringRef, JSValueRef *);
 
@@ -38,17 +46,25 @@ extern const int32_t JSNoBytecodeFileFormatVersion;
 typedef struct RCTJSCWrapper {
   JSStringCreateWithCFStringFuncType JSStringCreateWithCFString;
   JSStringCreateWithUTF8CStringFuncType JSStringCreateWithUTF8CString;
+  JSStringCopyCFStringFuncType JSStringCopyCFString;
   JSStringReleaseFuncType JSStringRelease;
   JSGlobalContextSetNameFuncType JSGlobalContextSetName;
   JSObjectSetPropertyFuncType JSObjectSetProperty;
   JSContextGetGlobalObjectFuncType JSContextGetGlobalObject;
   JSObjectGetPropertyFuncType JSObjectGetProperty;
+  JSObjectIsFunctionFuncType JSObjectIsFunction;
+  JSObjectIsConstructorFuncType JSObjectIsConstructor;
+  JSObjectCopyPropertyNamesFuncType JSObjectCopyPropertyNames;
+  JSPropertyNameArrayGetCountFuncType JSPropertyNameArrayGetCount;
+  JSPropertyNameArrayGetNameAtIndexFuncType JSPropertyNameArrayGetNameAtIndex;
+  JSPropertyNameArrayReleaseFuncType JSPropertyNameArrayRelease;
   JSValueMakeFromJSONStringFuncType JSValueMakeFromJSONString;
   JSObjectCallAsFunctionFuncType JSObjectCallAsFunction;
   JSValueMakeNullFuncType JSValueMakeNull;
   JSValueCreateJSONStringFuncType JSValueCreateJSONString;
   JSValueIsUndefinedFuncType JSValueIsUndefined;
   JSValueIsNullFuncType JSValueIsNull;
+  JSValueToObjectFuncType JSValueToObject;
   JSEvaluateScriptFuncType JSEvaluateScript;
   JSEvaluateBytecodeBundleFuncType JSEvaluateBytecodeBundle;
   voidWithNoParamsFuncType configureJSCForIOS;
diff --git a/React/Executors/RCTJSCWrapper.mm b/React/Executors/RCTJSCWrapper.mm
index 3b13b8e14..d642557b8 100644
--- a/React/Executors/RCTJSCWrapper.mm
+++ b/React/Executors/RCTJSCWrapper.mm
@@ -62,17 +62,25 @@ static RCTJSCWrapper *RCTSetUpSystemLibraryPointers()
   return new RCTJSCWrapper {
     .JSStringCreateWithCFString = JSStringCreateWithCFString,
     .JSStringCreateWithUTF8CString = JSStringCreateWithUTF8CString,
+    .JSStringCopyCFString = JSStringCopyCFString,
     .JSStringRelease = JSStringRelease,
     .JSGlobalContextSetName = JSGlobalContextSetName,
     .JSObjectSetProperty = JSObjectSetProperty,
     .JSContextGetGlobalObject = JSContextGetGlobalObject,
     .JSObjectGetProperty = JSObjectGetProperty,
+    .JSObjectIsFunction = JSObjectIsFunction,
+    .JSObjectIsConstructor = JSObjectIsConstructor,
+    .JSObjectCopyPropertyNames = JSObjectCopyPropertyNames,
+    .JSPropertyNameArrayGetCount = JSPropertyNameArrayGetCount,
+    .JSPropertyNameArrayGetNameAtIndex = JSPropertyNameArrayGetNameAtIndex,
+    .JSPropertyNameArrayRelease = JSPropertyNameArrayRelease,
     .JSValueMakeFromJSONString = JSValueMakeFromJSONString,
     .JSObjectCallAsFunction = JSObjectCallAsFunction,
     .JSValueMakeNull = JSValueMakeNull,
     .JSValueCreateJSONString = JSValueCreateJSONString,
     .JSValueIsUndefined = JSValueIsUndefined,
     .JSValueIsNull = JSValueIsNull,
+    .JSValueToObject = JSValueToObject,
     .JSEvaluateScript = JSEvaluateScript,
     .JSBytecodeFileFormatVersion = JSNoBytecodeFileFormatVersion,
     .JSEvaluateBytecodeBundle = (JSEvaluateBytecodeBundleFuncType)UnimplementedJSEvaluateBytecodeBundle,
@@ -92,17 +100,25 @@ static RCTJSCWrapper *RCTSetUpCustomLibraryPointers()
   auto wrapper = new RCTJSCWrapper {
     .JSStringCreateWithCFString = (JSStringCreateWithCFStringFuncType)dlsym(libraryHandle, "JSStringCreateWithCFString"),
     .JSStringCreateWithUTF8CString = (JSStringCreateWithUTF8CStringFuncType)dlsym(libraryHandle, "JSStringCreateWithUTF8CString"),
+    .JSStringCopyCFString = (JSStringCopyCFStringFuncType)dlsym(libraryHandle, "JSStringCopyCFString"),
     .JSStringRelease = (JSStringReleaseFuncType)dlsym(libraryHandle, "JSStringRelease"),
     .JSGlobalContextSetName = (JSGlobalContextSetNameFuncType)dlsym(libraryHandle, "JSGlobalContextSetName"),
     .JSObjectSetProperty = (JSObjectSetPropertyFuncType)dlsym(libraryHandle, "JSObjectSetProperty"),
     .JSContextGetGlobalObject = (JSContextGetGlobalObjectFuncType)dlsym(libraryHandle, "JSContextGetGlobalObject"),
     .JSObjectGetProperty = (JSObjectGetPropertyFuncType)dlsym(libraryHandle, "JSObjectGetProperty"),
+    .JSObjectIsFunction = (JSObjectIsFunctionFuncType)dlsym(libraryHandle, "JSObjectIsFunction"),
+    .JSObjectIsConstructor = (JSObjectIsConstructorFuncType)dlsym(libraryHandle, "JSObjectIsConstructor"),
+    .JSObjectCopyPropertyNames = (JSObjectCopyPropertyNamesFuncType)dlsym(libraryHandle, "JSObjectCopyPropertyNames"),
+    .JSPropertyNameArrayGetCount = (JSPropertyNameArrayGetCountFuncType)dlsym(libraryHandle, "JSPropertyNameArrayGetCount"),
+    .JSPropertyNameArrayGetNameAtIndex = (JSPropertyNameArrayGetNameAtIndexFuncType)dlsym(libraryHandle, "JSPropertyNameArrayGetNameAtIndex"),
+    .JSPropertyNameArrayRelease = (JSPropertyNameArrayReleaseFuncType)dlsym(libraryHandle, "JSPropertyNameArrayRelease"),
     .JSValueMakeFromJSONString = (JSValueMakeFromJSONStringFuncType)dlsym(libraryHandle, "JSValueMakeFromJSONString"),
     .JSObjectCallAsFunction = (JSObjectCallAsFunctionFuncType)dlsym(libraryHandle, "JSObjectCallAsFunction"),
     .JSValueMakeNull = (JSValueMakeNullFuncType)dlsym(libraryHandle, "JSValueMakeNull"),
     .JSValueCreateJSONString = (JSValueCreateJSONStringFuncType)dlsym(libraryHandle, "JSValueCreateJSONString"),
     .JSValueIsUndefined = (JSValueIsUndefinedFuncType)dlsym(libraryHandle, "JSValueIsUndefined"),
     .JSValueIsNull = (JSValueIsNullFuncType)dlsym(libraryHandle, "JSValueIsNull"),
+    .JSValueToObject = (JSValueToObjectFuncType)dlsym(libraryHandle, "JSValueToObject"),
     .JSEvaluateScript = (JSEvaluateScriptFuncType)dlsym(libraryHandle, "JSEvaluateScript"),
     .JSEvaluateBytecodeBundle = (JSEvaluateBytecodeBundleFuncType)dlsym(libraryHandle, "JSEvaluateBytecodeBundle"),
     .configureJSCForIOS = (voidWithNoParamsFuncType)dlsym(libraryHandle, "configureJSCForIOS"),