1. Constructors
  2. Duration
  3. Properties
  4. hashCode
  5. inDays
  6. inHours
  7. inMicroseconds
  8. inMilliseconds
  9. inMinutes
  10. inSeconds
  11. isNegative
  12. runtimeType
  13. Methods
  14. abs
  15. compareTo
  16. noSuchMethod
  17. toString
  18. Operators
  19. operator *
  20. operator +
  21. operator -
  22. operator <
  23. operator <=
  24. operator ==
  25. operator >
  26. operator >=
  27. operator unary-
  28. operator ~/
  29. Constants
  30. hoursPerDay
  31. microsecondsPerDay
  32. microsecondsPerHour
  33. microsecondsPerMillisecond
  34. microsecondsPerMinute
  35. microsecondsPerSecond
  36. millisecondsPerDay
  37. millisecondsPerHour
  38. millisecondsPerMinute
  39. millisecondsPerSecond
  40. minutesPerDay
  41. minutesPerHour
  42. secondsPerDay
  43. secondsPerHour
  44. secondsPerMinute
  45. zero