1. Constructors
2. new
3. Properties
4. getMap
5. hashCode
6. runtimeType
7. Methods
8. noSuchMethod
9. setAccept
10. setAuthorization
11. setContentType
12. setCookie
13. setCustom
14. setOrigin
15. setReferer
16. setUserAgent
17. setXApiKey
18. toString
19. Operators
20. operator ==