code: public void unregisterExceptionMonitor( ExceptionMonitor monitor )
      {
          synchronized( this )
          {
              if( monitor == null || !monitor.equals( m_exceptionMonitor ) )
              {
                  return;
              }
              m_exceptionMonitor = null;
          }
      }
docs: Unregister a ExceptionMonitor with the source.
  
  @param monitor The ExceptionMonitor to be unregistered.
  
  @requires HansaPermission "api.exceptionmonitor", "remove"