| ValidationMethod | Represents an enum defined the method used for certificate validation. |
| ValidationMode | Specifies the validation mode for PDF signature validation processes. |
| ValidationOptions | Represents options for validating a digital signature in a PDF document. |
| ValidationResult | Represents the result of a validation process for a certificate. The ValidationResult class provides information about the outcome of validating a certificate, including its status and a message describing any issues encountered during the validation. |
| ValidationStatus | Represents the validation status of a certificate validation. This enumeration defines the possible outcomes of certificate validation: - Valid: Indicates that the certificate has been successfully validated. - Invalid: Indicates that the certificate validation failed. - Undefined: Indicates that the validation process was inconclusive or not performed. |