PasswordValidationError constructor Null safety

1. univalle_app
2. sign_in
3. PasswordValidationError
4. PasswordValidationError const constructor

PasswordValidationError enum

1. Constructors
2. PasswordValidationError
3. Values
4. empty
5. Properties
6. hashCode
7. index
8. runtimeType
9. Methods
10. noSuchMethod
11. toString
12. Operators
13. operator ==
14. Constants
15. values