code: public final void removeSession (final Session sessionReq) throws NoSuchSessionException {
  
          final Session session = sessions.get(sessionReq.getTargetName());
  
          if (session != null) {
              sessions.remove(sessionReq.getTargetName());
          } else {
              throw new NoSuchSessionException("Session " + sessionReq.getTargetName() + " not found!");
          }
      }
docs: Removes the <code>Session</code> instances form the sessions queue.
  
  @param sessionReq The Session to remove
  @throws NoSuchSessionException if the Session does not exist in the Map