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

Expando class

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

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