class StandardPseudoFunctionFactory {

  public static StandardPseudoFunction getByName(String functionName) {
    StandardPseudoFunction standardPseudoFunction = ALL.get(functionName.toLowerCase(Locale.ENGLISH));
    return standardPseudoFunction != null ? standardPseudoFunction : new UnknownPseudoFunction(functionName);
  }

  private  StandardPseudoFunctionFactory();

}