code: public boolean isSessionToken(String site, String token) {
  		// Add a default port
  		if (!site.contains(":")) {
  			site = site + (":80");
  		}
  		HttpSessionTokensSet siteTokens = sessionTokens.get(site);
  		if (siteTokens == null)
  			return false;
  		return siteTokens.isSessionToken(token);
  	}
docs: Checks if a particular token is a session token name for a particular site.
  
  @param site the site. This parameter has to be formed as defined in the
  {@link ExtensionHttpSessions} class documentation. However, if the protocol is
  missing, a default protocol of 80 is used.
  @param token the token
  @return true, if it is session token