code: protected void broadcastLogout(Authentication authentication) {
          if( logger.isDebugEnabled() )
              logger.debug( "BROADCAST logout: token=" + authentication );
  
          final Iterator iter = getBeansToUpdate( LoginAware.class ).iterator();
          while( iter.hasNext() ) {
              ((LoginAware) iter.next()).userLogout( authentication );
          }
      }
docs: Broadcast a Logout event to all the LoginAware beans.
  @param authentication token