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           efrain | 
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           /*
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            * Copyright 2019 Google
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            *
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            * Licensed under the Apache License, Version 2.0 (the "License");
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            * you may not use this file except in compliance with the License.
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            * You may obtain a copy of the License at
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            *
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            *      http://www.apache.org/licenses/LICENSE-2.0
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            *
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            * Unless required by applicable law or agreed to in writing, software
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            * distributed under the License is distributed on an "AS IS" BASIS,
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            * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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            * See the License for the specific language governing permissions and
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            * limitations under the License.
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            */
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           #import <Foundation/Foundation.h>
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           @class FIRExperimentController;
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           @class RCNConfigDBManager;
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           /// Handles experiment information update and persistence.
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           @interface RCNConfigExperiment : NSObject
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           /// Designated initializer;
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           - (nonnull instancetype)initWithDBManager:(RCNConfigDBManager *_Nullable)DBManager
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                                experimentController:(FIRExperimentController *_Nullable)controller
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               NS_DESIGNATED_INITIALIZER;
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           /// Use `initWithDBManager:` instead.
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           - (nonnull instancetype)init NS_UNAVAILABLE;
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           /// Update/Persist experiment information from config fetch response.
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           - (void)updateExperimentsWithResponse:(NSArray<NSDictionary<NSString *, id> *> *_Nullable)response;
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           /// Update experiments to Firebase Analytics when `activateWithCompletion:` happens.
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           - (void)updateExperimentsWithHandler:(nullable void (^)(NSError *_Nullable error))handler;
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           @end
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