code: private void markRemovedDefaultSessionToken(String site, String token) {
  		if (removedDefaultTokens == null)
  			removedDefaultTokens = new HashMap<>(1);
  		HashSet<String> removedSet = removedDefaultTokens.get(site);
  		if (removedSet == null) {
  			removedSet = new HashSet<>(1);
  			removedDefaultTokens.put(site, removedSet);
  		}
  		removedSet.add(token);
  	}
docs: Marks a default session token as removed for a particular site.
  
  @param site the site. This parameter has to be formed as defined in the
  {@link ExtensionHttpSessions} class documentation.
  @param token the token