codec.unregisterControl( SyncStateValue.OID );
codec.unregisterControl( PasswordPolicy.OID );
codec.unregisterExtendedRequest( CancelRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( CertGenerationRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( GracefulShutdownRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( StoredProcedureRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( GracefulDisconnectResponse.EXTENSION_OID );
codec.unregisterExtendedRequest( PasswordModifyRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( WhoAmIRequest.EXTENSION_OID );
codec.unregisterExtendedRequest( StartTlsRequest.EXTENSION_OID );