public boolean xml_parse(@NotNull Xml parser,
public boolean xml_parse(Env env, @NotNull Xml parser,
  public boolean xml_parse(@NotNull Xml parser,                           String data,                           @Optional("true") boolean isFinal)  {    if (parser == null)      return false;    try {      return parser.xml_parse(data, isFinal);    } catch (Exception e) {      throw QuercusModuleException.create(e);    }  }