@Override
    public String toUrlValue() {
      return this.name();
    }
<code>format</code> defines the format of the resulting image. By default, the Google Static
Maps API creates PNG images. There are several possible formats including GIF, JPEG and PNG
types.

@param format The format of the static map.
@return Returns this {@code StaticMapsRequest} for call chaining.
src/main/java/com/google/maps/StaticMapsRequest.java