StackLiftEnabledUser constructor Null safety

1. jrpn
2. controller
3. StackLiftEnabledUser
4. StackLiftEnabledUser constructor

StackLiftEnabledUser class

1. Constructors
2. StackLiftEnabledUser
3. Properties
4. controller
5. hashCode
6. runtimeType
7. stackLiftEnabled
8. Methods
9. noSuchMethod
10. toString
11. Operators
12. operator ==