public ObjectProperty<Country> countryProperty() {
        if (null == country) {
            country = new ObjectPropertyBase<Country>(_country) {
                @Override protected void invalidated() { fireTileEvent(RECALC_EVENT); }
                @Override public Object getBean() { return Tile.this; }
                @Override public String getName() { return "country"; }
            };
            _country = null;
        }
        return country;
    }
Defines the Locale that will be used to visualize the country
in the CountryTileSkin
@param COUNTRY
src/main/java/eu/hansolo/tilesfx/Tile.java