.post("/" + getIndexName() + "/_search") //
                .body(query)
                .execute()) {
            if (response.getHttpStatusCode() == 200) {
                final Map<String, Object> result = parseJson(response.getContentAsString());
                final Map<String, Object> hits = getMapValue(result, "hits");
                if (hits != null) {

        final Map<String, Object> result = coordinatorHelper.parseJson(json);
        assertEquals("heartbeat", result.get("type"));
        assertEquals("test", result.get("instanceId"));
        assertEquals(12345, result.get("createdTime"));
    }

    @Test
    public void test_parseJson_empty() {
        final Map<String, Object> result = coordinatorHelper.parseJson("{}");
        assertNotNull(result);

		d.CreateDate = now
	}
	d.Policy = p
}

// parseJSON parses both the old and the new format for storing policy
// definitions.
//
// The on-disk format of policy definitions has changed (around early 12/2021)
// from policy.Policy to PolicyDoc. To avoid a migration, loading supports
// both the old and the new formats.
func (d *PolicyDoc) parseJSON(data []byte) error {
	json := jsoniter.ConfigCompatibleWithStandardLibrary

	data, err := ies.loadIAMConfigBytes(ctx, getPolicyDocPath(policy))
	if err != nil {
		if err == errConfigNotFound {
			return errNoSuchPolicy
		}
		return err
	}

	var p PolicyDoc
	err = p.parseJSON(data)
	if err != nil {
		return err
	}

	m[policy] = p
	return nil
}

func (ies *IAMEtcdStore) getPolicyDocKV(ctx context.Context, kvs *mvccpb.KeyValue, m map[string]PolicyDoc) error {

				return errNoSuchPolicy
			}
			retries--
			if retries <= 0 {
				return err
			}
			time.Sleep(500 * time.Millisecond)
			goto retry
		}

		var p PolicyDoc
		err = p.parseJSON(data)
		if err != nil {
			return err
		}

		if p.Version == 0 {
			// This means that policy was in the old version (without any
			// timestamp info). We fetch the mod time of the file and save