docs: public void unlockCurrent()
    throws SISessionUnavailableException, SISessionDroppedException,
           SIIncorrectCallException,
           SIErrorException
    {
      if (TraceComponent.isAnyTracingEnabled() && CoreSPILockedMessageEnumeration.tc.isEntryEnabled())
        SibTr.entry(CoreSPILockedMessageEnumeration.tc, "unlockCurrent", this);
        
      deleteCurrent(null);
      
      if (TraceComponent.isAnyTracingEnabled() && CoreSPILockedMessageEnumeration.tc.isEntryEnabled())
        SibTr.exit(CoreSPILockedMessageEnumeration.tc, "unlockCurrent");
    }