--- /dev/null
+/*
+ * Copyright 2017 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FIRMessaging.h"
+
+@class FIRMessagingClient;
+@class FIRMessagingPubSub;
+
+typedef NS_ENUM(int8_t, FIRMessagingNetworkStatus) {
+ kFIRMessagingReachabilityNotReachable = 0,
+ kFIRMessagingReachabilityReachableViaWiFi,
+ kFIRMessagingReachabilityReachableViaWWAN,
+};
+
+FOUNDATION_EXPORT NSString *const kFIRMessagingPlistAutoInitEnabled;
+FOUNDATION_EXPORT NSString *const kFIRMessagingUserDefaultsKeyAutoInitEnabled;
+
+@interface FIRMessagingRemoteMessage ()
+
+@property(nonatomic, strong) NSDictionary *appData;
+
+@end
+
+@interface FIRMessaging ()
+
+#pragma mark - Private API
+
+- (NSString *)defaultFcmToken;
+- (FIRMessagingClient *)client;
+- (FIRMessagingPubSub *)pubsub;
+
+// Create a sample message to be sent over the wire using FIRMessaging. Look at
+// FIRMessagingService.h to see what each param signifies.
++ (NSMutableDictionary *)createFIRMessagingMessageWithMessage:(NSDictionary *)message
+ to:(NSString *)to
+ withID:(NSString *)msgID
+ timeToLive:(int64_t)ttl
+ delay:(int)delay;
+
+- (BOOL)isNetworkAvailable;
+- (FIRMessagingNetworkStatus)networkType;
+
+@end