ConstDateTime.fromMillisecondsSinceEpoch constructor Null safety
Implementation
const ConstDateTime.fromMillisecondsSinceEpoch(int millisecondsSinceEpoch,
{bool isUtc = false})
: this._internal(ConstructorType.fromMillisecondsSinceEpoch,
millisecond: millisecondsSinceEpoch, isUtc: isUtc);