1. Dart
2. dart:async
3. TimeoutException
4. toString method

TimeoutException class

1. Constructors
2. TimeoutException
3. Properties
4. duration
5. message
6. hashCode
7. runtimeType
8. Methods
9. toString
10. noSuchMethod
11. Operators
12. operator ==

String toString() {
  String result = "TimeoutException";
  if (duration != null) result = "TimeoutException after $duration";
  if (message != null) result = "$result: $message";
  return result;
}