code: private void afterLogin(GwtCommand command, Deferred deferred) {
  		String token = notNull(command.getUserToken());
  		if (!afterLoginCommands.containsKey(token)) {
  			afterLoginCommands.put(token, new ArrayList<RetryCommand>());
  		}
  		afterLoginCommands.get(token).add(new RetryCommand(command, deferred));
  	}
docs: Add a command and it's callbacks to the list of commands to retry after login.
  
  @param command
  command to retry
  @param deferred
  callbacks for the command