1. Constructors
2. new
3. circular
4. Properties
5. area
6. center
7. eccentricity
8. focalDistance
9. foci
10. hashCode
11. isCircle
12. perimeter
13. radiusX
14. radiusY
15. runtimeType
16. semiMajor
17. semiMinor
18. Methods
19. contains
20. noSuchMethod
21. pointAt
22. rotate
23. scale
24. toString
25. translate
26. Operators
27. operator ==