This import accesses the xml: attribute groups for the xml:lang as declared on the error-message element. An optional parameter that indicates which stream of events is of interest. If not present, then events in the default NETCONF stream will be sent. An optional parameter that indicates which subset of all possible events is of interest. The format of this parameter is the same as that of the filter parameter in the NETCONF protocol operations. If not present, all events not precluded by other parameters will be sent. A parameter used to trigger the replay feature indicating that the replay should start at the time specified. If start time is not present, this is not a replay subscription. An optional parameter used with the optional replay feature to indicate the newest notifications of interest. If stop time is not present, the notifications will continue until the subscription is terminated. Must be used with startTime. The name of an event stream. The command to create a notification subscription. It takes as argument the name of the notification stream and filter. Both of those options limit the content of the subscription. In addition, there are two time-related parameters, startTime and stopTime, which can be used to select the time interval of interest to the notification replay feature. The time the event was generated by the event source.