final String json = coordinatorHelper.toJson(map);
        assertNotNull(json);
        assertTrue(json.contains("\"type\":\"heartbeat\""));
        assertTrue(json.contains("\"instanceId\":\"test-instance\""));
        assertTrue(json.contains("\"createdTime\":1000"));
    }

    @Test
    public void test_toJson_emptyMap() {
        final String json = coordinatorHelper.toJson(Map.of());
        assertEquals("{}", json);

    fun generate(jsonFile: File) {
        val output =
            buckets.map {
                TestCoverageAndBucketSplits(it.key.uuid, it.value.map { it.toJsonBucket() })
            }
        jsonFile.writeText(gson.toJson(output))
    }

    private fun buildBuckets(
        buildClassTimeJson: File,
        model: CIBuildModel,
    ): Map<TestCoverage, List<SmallSubprojectBucket>> {

        SuggestItem item = new SuggestItem(text, readings, fields, 1L, 1L, 1.0f, new String[0], new String[0], new String[0],
                SuggestItem.Kind.DOCUMENT);

        String json = SuggestItemSerializer.toJson(item);

        assertNotNull(json);
        assertTrue(json.contains("json test"));
    }

    @Test
    public void testToUpdatedSource() {
        String[] text = { "updated" };

    /**
     * Converts the suggest item to a JSON string.
     * @return The JSON string representation of the suggest item.
     */
    public String toJsonString() {
        return SuggestItemSerializer.toJson(this);
    }

,"localTo","isSame","inputMs","isSameOrAfter","isSameOrBefore","parsingFlags","prioritized","unitsObj","u","getPrioritizedUnits","toArray","toObject","toDate","toISOString","keepOffset","inspect","prefix","suffix","zone","isLocal","Symbol","for","toJSON","unix","creationData","eraName","since","until","eraNarrow","eraAbbr","eraYear","dir","isoWeeks","weekInfo","weeksInWeekYear","isoWeeksInYear","isoWeeksInISOWeekYear","keepLocalTime","keepMinutes","localAdjust","_changeInProgress","parseZone","t...

0<=this.year()&&this.year()<=9999?"YYYY":"YYYYYY",t=n+'[")]',this.format(e+a+"-MM-DD[T]HH:mm:ss.SSS"+t)},"undefined"!=typeof Symbol&&null!=Symbol.for&&(yt[Symbol.for("nodejs.util.inspect.custom")]=function(){return"Moment<"+this.format()+">"}),yt.toJSON=function(){return this.isValid()?this.toISOString():null},yt.toString=function(){return this.clone().locale("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ")},yt.unix=function(){return Math.floor(this.valueOf()/1e3)},yt.valueOf=function(){return t...