신호 상태 변경 시간 상세 (TimeChangeDetails)

TimeChangeDetails ::= SEQUENCE {
   startTime   TimeMark           OPTIONAL,
               -- When this future phase will start
   minEndTime  TimeMark,
               -- Expected shortest end time
   maxEndTime  TimeMark           OPTIONAL,
               -- Expected longest end time
   
   likelyTime  TimeMark           OPTIONAL,
               -- Best predicted value based on other data              
   confidence  TimeIntervalConfidence OPTIONAL,
               -- Applies to above time element only
   
   nextTime    TimeMark           OPTIONAL
               -- A rough estimate of time when 
               -- this phase may next occur again
               -- used to support various ECO driving power 
               -- management needs.
   }