@Override
    public Map<String, Object> resolve(DynamicConfigEvent event) {
        final Map<String, Object> result = new HashMap<>();
        final Optional<Map<String, Object>> convert = yamlConverter.convert(event.getContent(), Map.class);
        convert.ifPresent(stringObjectMap -> MapUtils.resolveNestMap(result, stringObjectMap, null));
        return result;
    }
@Test
    public void resolve() {
        final DynamicConfigEvent event = Mockito.mock(DynamicConfigEvent.class);
        Mockito.when(event.getContent()).thenReturn("test: 'hello world'");
        final DefaultConfigResolver defaultConfigResolver = new DefaultConfigResolver();
        final Map<String, Object> resolve = defaultConfigResolver.resolve(event);
        Assert.assertEquals(resolve.get("test"), "hello world");
    }