@class NSTimer, IMHandle, NSDate; @protocol IMTypingTimerDelegate; @interface IMTypingTimer : NSObject @property (retain, nonatomic) NSTimer *timer; @property (weak, nonatomic) id<IMTypingTimerDelegate> delegate; @property (readonly, copy, nonatomic) IMHandle *handle; @property (readonly, nonatomic) NSDate *beginDate; @property (readonly, nonatomic) double timeoutInterval; @property (readonly, nonatomic, getter=isValid) BOOL valid; + (BOOL)shouldAdjustTimeoutIntervalForBeginDate; - (void)invalidate; - (void).cxx_destruct; - (id)initWithHandle:(id)a0 beginDate:(id)a1 timeoutInterval:(double)a2 delegate:(id)a3; - (void)timerCallback; - (void)triggerTimeout; @end