Метод getState

Future<Map<String, dynamic>?> getState()

Реализация

Future<Map<String, dynamic>?> getState() =>
    promiseToFutureAsMap(JS("", "#.getState()", this));

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/NavigationPreloadManager/getState.html