SerializableRuntime constructor Null safety

1. conduit_core
2. conduit
3. SerializableRuntime
4. SerializableRuntime constructor

SerializableRuntime class

1. Constructors
2. SerializableRuntime
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. documentSchema
8. noSuchMethod
9. toString
10. Operators
11. operator ==