docs: public String validateCookieName(String cookieName, boolean quiet) {
  		if (cookieName == null || cookieName.length() == 0) {
  			if (!quiet) {
  				Tr.error(tc, "COOKIE_NAME_CANT_BE_EMPTY");
  			}
  			return CFG_DEFAULT_COOKIENAME;
  		}
  		String cookieNameUc = cookieName.toUpperCase();
  		boolean valid = true;
  		for (int i = 0; i < cookieName.length(); i++) {
  			String eval = cookieNameUc.substring(i, i + 1);
  			if (!validCookieChars.contains(eval)) {
  				if (!quiet) {
  					Tr.error(tc, "COOKIE_NAME_INVALID", new Object[] { cookieName, eval });
  				}
  				valid = false;
  			}
  		}
  		if (!valid) {
  			return CFG_DEFAULT_COOKIENAME;
  		} else {
  			return cookieName;
  		}
  	}