SliverLogicalContainerParentData constructor Null safety

1. Flutter
2. rendering
3. SliverLogicalContainerParentData
4. SliverLogicalContainerParentData constructor

SliverLogicalContainerParentData class

1. Constructors
2. SliverLogicalContainerParentData
3. Properties
4. hashCode
5. layoutOffset
6. nextSibling
7. previousSibling
8. runtimeType
9. Methods
10. detach
11. noSuchMethod
12. toString
13. Operators
14. operator ==