@Override
    public AccessTokenRequestContext toAccessTokenRequest(final OidcPushedAuthorizationRequest authzRequest) {
        val decodedRequest = EncodingUtils.decodeBase64(authzRequest.getAuthorizationRequest());
        return SerializationUtils.decodeAndDeserializeObject(decodedRequest,
            CipherExecutor.noOp(), AccessTokenRequestContext.class);
    }
Default instance for the ticket id generator.
support/cas-server-support-oidc-core-api/src/main/java/org/apereo/cas/oidc/ticket/OidcDefaultPushedAuthorizationRequestFactory.java