CollectionValueType<T, D> constructor Null safety

1. iapetus_meta
2. typing
3. CollectionValueType<T, D>
4. CollectionValueType constructor

CollectionValueType class

1. Constructors
2. CollectionValueType
3. Properties
4. dartTypeReference
5. defaultValue
6. fromJsonFunctionReference
7. hashCode
8. name
9. optional
10. runtimeType
11. toJsonFunctionReference
12. Methods
13. asOptional
14. convertFromJson
15. convertToJson
16. noSuchMethod
17. toJson
18. toString
19. Operators
20. operator ==