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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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NS_ASSUME_NONNULL_BEGIN
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@interface DateUtil : NSObject
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+ (NSDateFormatter *)dateFormatter;
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+ (NSDateFormatter *)timeFormatter;
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+ (NSDateFormatter *)monthAndDayFormatter;
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+ (NSDateFormatter *)shortDayOfWeekFormatter;
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+ (BOOL)dateIsOlderThanToday:(NSDate *)date;
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+ (BOOL)dateIsOlderThanOneWeek:(NSDate *)date;
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+ (BOOL)dateIsToday:(NSDate *)date;
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+ (BOOL)dateIsThisYear:(NSDate *)date;
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+ (BOOL)dateIsYesterday:(NSDate *)date;
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+ (NSString *)formatPastTimestampRelativeToNow:(uint64_t)pastTimestamp
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NS_SWIFT_NAME(formatPastTimestampRelativeToNow(_:));
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+ (NSString *)formatTimestampShort:(uint64_t)timestamp;
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+ (NSString *)formatDateShort:(NSDate *)date;
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+ (NSString *)formatTimestampAsTime:(uint64_t)timestamp;
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+ (NSString *)formatDateAsTime:(NSDate *)date;
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+ (NSString *)formatMessageTimestamp:(uint64_t)timestamp;
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+ (BOOL)isTimestampFromLastHour:(uint64_t)timestamp;
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// These two "exemplary" values can be used by views to measure
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// the likely size for recent values formatted using isTimestampFromLastHour:.
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+ (NSString *)exemplaryNowTimeFormat;
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+ (NSString *)exemplaryMinutesTimeFormat;
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+ (NSString *)formatDateForDisplay:(NSDate *)date;
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+ (BOOL)isSameDayWithTimestamp:(uint64_t)timestamp1 timestamp:(uint64_t)timestamp2;
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+ (BOOL)isSameDayWithDate:(NSDate *)date1 date:(NSDate *)date2;
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+ (BOOL)isSameHourWithTimestamp:(uint64_t)timestamp1 timestamp:(uint64_t)timestamp2;
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+ (BOOL)isSameHourWithDate:(NSDate *)date1 date:(NSDate *)date2;
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+ (BOOL)shouldShowDateBreakForTimestamp:(uint64_t)timestamp1 timestamp:(uint64_t)timestamp2;
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@end
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NS_ASSUME_NONNULL_END
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