1. Constructors
2. new
3. Properties
4. cardBuilder
5. emptyWidget
6. gridChildAspectRatio
7. gridCrossAxisCount
8. hashCode
9. header
10. items
11. key
12. layout
13. onItemTap
14. padding
15. runtimeType
16. spacing
17. Methods
18. asFocusable ^(ext)
19. asSemanticButton ^(ext)
20. asSemanticHeading ^(ext)
21. build
22. createElement
23. debugDescribeChildren
24. debugFillProperties
25. excludeFromSemantics ^(ext)
26. mergeSemantics ^(ext)
27. noSuchMethod
28. toDiagnosticsNode
29. toString
30. toStringDeep
31. toStringShallow
32. toStringShort
33. withSemanticLabel ^(ext)
34. Operators
35. operator ==