code: public License<Connector<T>> getOrCreateLicense()
     {
        Node node = childNode.getOrCreate("license");
        License<Connector<T>> license = new LicenseImpl<Connector<T>>(this, "license", childNode, node);
        return license;
     }
docs: If not already created, a new <code>license</code> element with the given value will be created.
  Otherwise, the existing <code>license</code> element will be returned.
  @return  a new or existing instance of <code>License<Connector<T>></code>