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

PushManager class

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

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