@Override
  public MapSettings setProperty(String key, String value) {
    return (MapSettings) super.setProperty(key, value);
  }
@Test
  public void test_get_float() {
    Settings settings = new MapSettings();
    settings.setProperty("from_float", 3.14159f);
    settings.setProperty("from_string", "3.14159");
    assertThat(settings.getDouble("from_float")).isEqualTo(3.14159f, Offset.offset(0.00001));
    assertThat(settings.getDouble("from_string")).isEqualTo(3.14159f, Offset.offset(0.00001));
    assertThat(settings.getDouble("unknown")).isNull();
  }