1. Constructors
2. new
3. Properties
4. assunto
5. cpfCnpj
6. diasRestantes
7. emissor
8. hashCode
9. isICPBrasil
10. isValido
11. nomeExibicao
12. numeroSerie
13. runtimeType
14. tipo
15. validoAte
16. validoDe
17. Methods
18. noSuchMethod
19. toJson
20. toString
21. Operators
22. operator ==