documentation/manual/working/javaGuide/advanced/routing/code/javaguide/binder/models/AgeRange.java
@Override
  public String javascriptUnbind() {
    return new StringBuilder().append("from=").append(from).append(";to=").append(to).toString();
  }
@Override
  public String javascriptUnbind() {
    return new StringBuilder().append("from=").append(from).append(";to=").append(to).toString();
  }
#bind