const
      ConstDateTime.utc(- int year, 
 
- [int month = 1, 
 
- int day = 1, 
 
- int hour = 0, 
 
- int minute = 0, 
 
- int second = 0, 
 
- int millisecond = 0, 
 
- int microsecond = 0]
 
)
    
    
    
  Implementation
  const ConstDateTime.utc(int year,
    [int month = 1,
    int day = 1,
    int hour = 0,
    int minute = 0,
    int second = 0,
    int millisecond = 0,
    int microsecond = 0])
    : this._internal(ConstructorType.utc,
          year: year,
          month: month,
          day: day,
          hour: hour,
          minute: minute,
          second: second,
          millisecond: millisecond,
          microsecond: microsecond,
          isUtc: true);