UInt64Change constructor Null safety

UInt64Change(
  1. {Int64? previousValue,
  2. Int64? newValue}
)

Implementation

factory UInt64Change({
  $fixnum.Int64? previousValue,
  $fixnum.Int64? newValue,
}) {
  final _result = create();
  if (previousValue != null) {
    _result.previousValue = previousValue;
  }
  if (newValue != null) {
    _result.newValue = newValue;
  }
  return _result;
}