ChunkedConversionSink<T>.withCallback  constructor 
- void callback(- List<T> accumulated
 
- List<
Implementation
factory ChunkedConversionSink.withCallback(
  void callback(List<T> accumulated),
) = _SimpleCallbackSink<T>;factory ChunkedConversionSink.withCallback(
  void callback(List<T> accumulated),
) = _SimpleCallbackSink<T>;