Service constructor Null safety

1. Dart
2. dart:developer
3. Service
4. Service constructor

Service class

1. Constructors
2. Service
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==
11. Static methods
12. controlWebServer
13. getInfo
14. getIsolateID