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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 <Foundation/Foundation.h>
/* The Keychain error domain */ extern NSString *const kFIRInstanceIDKeychainErrorDomain;
/*
* Wrapping the keychain operations in a serialize queue. This is to avoid keychain operation * blocking main queue. */ @interface FIRInstanceIDKeychain : NSObject
/**
* FIRInstanceIDKeychain. * * @return A shared instance of FIRInstanceIDKeychain. */ + (instancetype)sharedInstance;
/**
* Get keychain items matching the given a query. * * @param keychainQuery The keychain query. * * @return An CFTypeRef result matching the provided inputs. */ - (CFTypeRef)itemWithQuery:(NSDictionary *)keychainQuery;
/**
* Remove the cached items from the keychain matching the query. * * @param keychainQuery The keychain query. * @param handler The callback handler which is invoked when the remove operation is * complete, with an error if there is any. */ - (void)removeItemWithQuery:(NSDictionary *)keychainQuery handler:(void (^)(NSError *error))handler;
/**
* Add the item with a given query. * * @param keychainQuery The keychain query. * @param handler The callback handler which is invoked when the add operation is * complete, with an error if there is any. */ - (void)addItemWithQuery:(NSDictionary *)keychainQuery handler:(void (^)(NSError *))handler;
@end
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