class ExternalSchemes {

  public static ExternalId ricSecurityId(final String code) {
    ArgumentChecker.notNull(code, "code");
    if (code.length() == 0) {
      throw new IllegalArgumentException("RIC code is invalid: " + code);
    }
    return ExternalId.of(RIC, code);
  }

  protected  ExternalSchemes();

}