| EmailValidatorStrategy | All Email validation strategies must implement EmailValidatorStrategy interface |
| ValidatorListener | Defines interface for Validation API listeners |
| ArgumentsValidator | Validates arguments Array ( length of array and check for undefined reference ). |
| EmailValidator | Validates Email address. |
| NumberValidator | Validates Number value. |
| StringValidator |
Validates that the length of a String is within a specified range. Can validates if tested string contain defined substring too |
| ValidationResources |
ValidationResources class |
| Validator | Base class for all validators. |