Prepare the bridge for C++

Reviewed By: @nicklockwood

Differential Revision: D2432291

React/Base/RCTBridgeMethod.h

@@ -0,0 +1,29 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import <Foundation/Foundation.h>
+
+@class RCTBridge;
+
+typedef NS_ENUM(NSUInteger, RCTFunctionType) {
+  RCTFunctionTypeNormal,
+  RCTFunctionTypePromise,
+};
+
+@protocol RCTBridgeMethod <NSObject>
+
+@property (nonatomic, copy, readonly) NSString *JSMethodName;
+@property (nonatomic, copy, readonly) NSDictionary *profileArgs;
+@property (nonatomic, readonly) RCTFunctionType functionType;
+
+- (void)invokeWithBridge:(RCTBridge *)bridge
+                  module:(id)module
+               arguments:(NSArray *)arguments;
+
+@end