@Override
  public MapSettings setProperty(String key, String value) {
    return (MapSettings) super.setProperty(key, value);
  }
@Test
  public void set_property_int() {
    Settings settings = new MapSettings();
    settings.setProperty("foo", 123);
    assertThat(settings.getInt("foo")).isEqualTo(123);
    assertThat(settings.getString("foo")).isEqualTo("123");
    assertThat(settings.getBoolean("foo")).isFalse();
  }