## Uses of Interface
java.security.cert.Extension

Packages that use Extension
java.security.cert: Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.

### Uses of Extension in java.security.cert

Methods in java.security.cert that return types with arguments of type Extension
`Map<String,Extension>` CertificateRevokedException.`getExtensions()` Returns a map of X.509 extensions containing additional information about the revoked certificate, such as the Invalidity Date Extension.
`List<Extension>` PKIXRevocationChecker.`getOcspExtensions()` Gets the optional OCSP request extensions.

Method parameters in java.security.cert with type arguments of type Extension
`void` PKIXRevocationChecker.`setOcspExtensions(List<Extension> extensions)` Sets the optional OCSP request extensions.

Constructor parameters in java.security.cert with type arguments of type Extension
Constructor and Description
`CertificateRevokedException(Date revocationDate, CRLReason reason, X500Principal authority, Map<String,Extension> extensions)` Constructs a `CertificateRevokedException` with the specified revocation date, reason code, authority name, and map of extensions.