code: public void close()
        throws SIResourceException, SIConnectionLostException, SIErrorException,
               SIConnectionDroppedException
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "close");
        close(false);
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "close");
     }
docs: Closes the ConsumerSession. Any subsequent attempt to call methods on the
  ConsumerSession will be ignored.
  
  @throws com.ibm.websphere.sib.exception.SIResourceException
  @throws com.ibm.wsspi.sib.core.exception.SIConnectionLostException
  @throws com.ibm.websphere.sib.exception.SIErrorException
  @throws com.ibm.wsspi.sib.core.exception.SIConnectionDroppedException