System.TimeSpan

{
    "ticks": 0,
    "days": 0,
    "hours": 0,
    "milliseconds": 0,
    "microseconds": 0,
    "nanoseconds": 0,
    "minutes": 0,
    "seconds": 0,
    "totalDays": 0,
    "totalHours": 0,
    "totalMilliseconds": 0,
    "totalMicroseconds": 0,
    "totalNanoseconds": 0,
    "totalMinutes": 0,
    "totalSeconds": 0
}