1. Dart
2. dart:html
3. NavigationPreloadManager
4. getState method

NavigationPreloadManager class

1. Properties
2. hashCode
3. runtimeType
4. Methods
5. disable
6. enable
7. getState
8. noSuchMethod
9. toString
10. Operators
11. operator ==

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