public SimpleXMLElementValue simplexml_load_string(Env env, @NotNull String data, @Optional String className, @Optional int options)
public Value simplexml_load_string(@NotNull String data, @Optional String className, @Optional int options)
  public SimpleXMLElementValue simplexml_load_string(Env env,                                                     @NotNull String data,                                                     @Optional String className,                                                     @Optional int options)  {     return new SimpleXMLElementValue(data, className, options);  }