text: //
  //     Generated by class-dump 3.5 (64 bit).
  //
  //     class-dump is Copyright (C) 1997-1998, 2000-2001, 2004-2013 by Steve Nygard.
  //
  
  #import "NSObject.h"
  
  #import "NSSecureCoding.h"
  
  @interface ICSDuration : NSObject <NSSecureCoding>
  {
      double _duration;
  }
  
  + (BOOL)supportsSecureCoding;
  + (id)generateDurationFromICSString:(id)arg1;
  + (id)durationFromICSString:(id)arg1;
  + (id)durationFromRFC2445UTF8String:(const char *)arg1;
  - (id)initWithCoder:(id)arg1;
  - (void)encodeWithCoder:(id)arg1;
  - (id)ICSStringWithOptions:(unsigned long long)arg1;
  - (BOOL)isNegative;
  - (long long)seconds;
  - (long long)minutes;
  - (long long)hours;
  - (long long)days;
  - (long long)weeks;
  - (double)timeInterval;
  - (id)initWithWeeks:(long long)arg1 days:(long long)arg2 hours:(long long)arg3 minutes:(long long)arg4 seconds:(long long)arg5;
  - (void)_ICSStringWithOptions:(unsigned long long)arg1 appendingToString:(id)arg2;
  
  @end
  
  