@Override
  public Function resolve(QName name, int argCount) {
    if (name.getNamespaceURI().length() == 0) {
      name = new QName(FunctionDeclarationParsing.FUNCTION_NAMESPACE, name.getLocalPart());
    }
    return super.resolve(name, argCount);
  }
@Override
  public Function resolve(QName name, int argCount)