1. Dart
2. dart:core
3. Expando<T>
4. toString method

Expando class

1. Constructors
2. Expando
3. Properties
4. name
5. hashCode
6. runtimeType
7. Methods
8. toString
9. noSuchMethod
10. Operators
11. operator []
12. operator []=
13. operator ==

String toString() => "Expando:$name";