@Test
public void resolve_complex_with_dot_field() throws Exception {

    Map map = resolver.resolve("complex_with_dot_field.complex.dot.field", Map.class);
    // does not work. int converted to String :(
    // assertThat(map).isEqualTo(ImmutableMap.builder().put("value", 3.14).build());
    assertThat(map).isEqualTo(ImmutableMap.builder().put("value", "3.14").build());
}