Utility class to save and load session information from WS-ReliableMessaging 1.2. A session consists of a request and response sequence. This class is used by %SOAP.RM classes to do the work that must be done by a class in the %SYS package. The persistent operations in this class are used only on the service side. This class is used as a registered object for both the client and the service. This class is used internally by InterSystems IRIS. You should not make direct use of it within your applications. There is no guarantee made about either the behavior or future operation of this class."