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/*
* Copyright 2019 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 <FirebaseInstanceID/FIRInstanceID.h>
NS_ASSUME_NONNULL_BEGIN
@class FIRInstanceIDCheckinPreferences; @class FIRInstallations;
/**
* Private API used by other Firebase SDKs. */ @interface FIRInstanceID ()
@property(nonatomic, readonly, strong) NSString *deviceAuthID; @property(nonatomic, readonly, strong) NSString *secretToken; @property(nonatomic, readonly, strong) NSString *versionInfo;
@property(nonatomic, readonly, strong) FIRInstallations *installations;
/// A cached value of FID. Should be used only for `-[FIRInstanceID appInstanceID:]`.
@property(atomic, readonly, copy, nullable) NSString *firebaseInstallationsID;
/**
* Private initializer. */ - (instancetype)initPrivately;
/**
* Returns a Firebase Messaging scoped token for the firebase app. * * @return Returns the stored token if the device has registered with Firebase Messaging, otherwise * returns nil. */ - (nullable NSString *)token;
/**
* Verify if valid checkin preferences have been loaded in memory. * * @return YES if valid checkin preferences exist in memory else NO. */ - (BOOL)hasValidCheckinInfo;
/**
* Try to load prefetched checkin preferences from the cache. This supports the use case where * InstanceID library has already obtained a valid checkin and we should be using that. * * This should be used as a last gasp effort to retreive any cached checkin preferences before * hitting the FIRMessaging backend to retrieve new preferences. * * Note this is only required because InstanceID and FIRMessaging both require checkin preferences * which need to be synced with each other. * * @return YES if successfully loaded cached checkin preferences into memory else NO. */ - (BOOL)tryToLoadValidCheckinInfo;
@end
NS_ASSUME_NONNULL_END
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