@Override
    public Map<String, String> getLabels(Properties properties) {
        LOGGER.info("DefaultLabelsCollectorManager get labels.....");
        Map<String, String> labels = getLabels(labelsCollectorsList, properties);
        LOGGER.info("DefaultLabelsCollectorManager get labels finished,labels :{}", labels);
        return labels;
    }
@Test
    void tagV2LabelsCollectorTest() {
        Properties properties = new Properties();
        properties.put(Constants.APP_CONN_LABELS_KEY, "k1=v1,gray=properties_pre");
        properties.put(Constants.CONFIG_GRAY_LABEL, "properties_after");
        DefaultLabelsCollectorManager defaultLabelsCollectorManager = new DefaultLabelsCollectorManager();
        Map<String, String> labels = defaultLabelsCollectorManager.getLabels(properties);
        assertEquals("properties_after", labels.get(Constants.CONFIG_GRAY_LABEL));
        assertEquals("v1", labels.get("k1"));
    }