Свойство cookies
Куки, установленные сервером (из заголовка 'set-cookie').
Реализация
List<Cookie> get cookies;
© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-io/HttpClientResponse/cookies.html
