1. m4e_sdk
2. dart:html
3. MessageChannel
4. port2 property

MessageChannel class

1. Constructors
2. MessageChannel
3. Properties
4. port1
5. port2
6. hashCode
7. runtimeType
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==

MessagePort get port2 native;