/*
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* Copyright (C) 2017 Twitter, Inc.
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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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*/
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#import <UIKit/UIKit.h>
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@class TWTRTweet;
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@class TWTRTimelineViewController;
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NS_ASSUME_NONNULL_BEGIN
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@protocol TWTRTimelineDelegate <NSObject>
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@optional
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/**
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* The Timeline started loading new Tweets. This would be an
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* appropriate place to begin showing a loading indicator.
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*
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* @param timeline Timeline controller providing the updates
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*/
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- (void)timelineDidBeginLoading:(TWTRTimelineViewController *)timeline;
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/**
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* The Timeline has finished loading more Tweets.
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*
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* If Tweets array is `nil`, you should check the error object
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* for a description of the failure case.
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*
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* @param timeline Timeline displaying loaded Tweets
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* @param tweets Tweet objects loaded from the network
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* @param error Error object describing details of failure
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*/
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- (void)timeline:(TWTRTimelineViewController *)timeline didFinishLoadingTweets:(nullable NSArray *)tweets error:(nullable NSError *)error;
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@end
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NS_ASSUME_NONNULL_END
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