1. Dart
2. dart:html
3. PushManager
4. permissionState method

PushManager class

1. Properties
2. supportedContentEncodings
3. hashCode
4. runtimeType
5. Methods
6. getSubscription
7. permissionState
8. subscribe
9. noSuchMethod
10. toString
11. Operators
12. operator ==

Future permissionState([Map options]) {
  var options_dict = null;
  if (options != null) {
    options_dict = convertDartToNative_Dictionary(options);
  }
  return promiseToFuture(JS("", "#.permissionState(#)", this, options_dict));
}