code: public void setCATTimer(Alarm alarm) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setCATTimer", alarm);
          this.alarm = alarm;
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setCATTimer");
      }
docs: Sets the Alarm that is running with asynch session.
  
  @param alarm