code: public void processConfig(Dictionary<?, ?> props) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
              Tr.event(tc, "Session manager configuration updated");
          }
          this.myConfig.updated(props);
  
          String value = (String) props.get("purge.interval");
          if (null != value) {
              try {
                  // convert the configuration in seconds to runtime milliseconds
                  this.purgeInterval = Long.parseLong(value.trim());
              } catch (NumberFormatException nfe) {
                  if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                      Tr.event(tc, "Ignoring incorrect purge interval [" + value + "]", nfe.getMessage());
                  }
              }
          }
          if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
              Tr.event(tc, "Config: purge interval [" + this.purgeInterval + "]");
          }
      }
docs: Method called when the properties for the session manager have been
  found or udpated.
  
  @param props