@Execute
    public JsonResponse<ApiResult> index() {
        final HashMap<String, Object> stats = new HashMap<>();
        stats.put("jvm", getJvmObj());
        stats.put("os", getOsObj());
        stats.put("process", getProcessObj());
        stats.put("engine", getEngineObj());
        stats.put("fs", getFsObj());
        return asJson(new ApiStatsResponse().stats(stats).status(ApiResult.Status.OK).result());
    }

            if (transferred == null) {
                transferred = (long) length;
            } else {
                transferred = transferred + length;
            }
            transfers.put(transferEvent.getResource(), transferred);
        }

        ArtifactTransferEvent event = wrap(transferEvent);
        event.setDataBuffer(buffer);
        event.setDataOffset(0);

                list = newArrayList();
                methodDescListMap.put(methodName, list);
            }
            list.add(new MethodDescImpl(this, method));
        }
        for (int i = 0; i < methodDescListMap.size(); ++i) {
            final List<MethodDesc> methodDescList = methodDescListMap.getAt(i);
            methodDescsCache.put(methodDescListMap.getKeyAt(i), methodDescList.toArray(new MethodDesc[methodDescList.size()]));

                    SortedMap<String, String> map = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return new StandardImplForwardingSortedMap<>(map);
                  }
                })
            .named(

    public @Nullable V get(Object key) {
      assertTrue(Thread.holdsLock(mutex));
      return super.get(key);
    }

    @Override
    public @Nullable V put(K key, V value) {
      assertTrue(Thread.holdsLock(mutex));
      return super.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      assertTrue(Thread.holdsLock(mutex));
      super.putAll(map);

            params.put("query", query);
            params.put("responseFields", responseFields);
            params.put("offset", offset);
            params.put("size", size);
            // TODO support rescorer(convert to map)
            // params.put("geoInfo", geoInfo);
            // params.put("facetInfo", facetInfo);
            params.put("similarDocHash", similarDocHash);

        this.attributes = attributes;
    }

    @Override
    public Map<String, Object> toSource() {
        final Map<String, Object> sourceMap = new HashMap<>();
        if (name != null) {
            sourceMap.put("name", name);
        }
        if (attributes != null) {
            sourceMap.putAll(attributes);
        }
        return sourceMap;
    }

        assertNotNull(systemHelper.getHostname());
        try {
            envMap.put("COMPUTERNAME", "xxx");
            assertEquals("xxx", systemHelper.getHostname());
        } finally {
            envMap.remove("COMPUTERNAME");
        }
        try {
            envMap.put("HOSTNAME", "yyy");
            assertEquals("yyy", systemHelper.getHostname());
        } finally {

     *
     * @param body the web configuration data to update
     * @return JSON response containing the updated web configuration setting ID
     */
    // PUT /api/admin/webconfig/setting
    @Execute
    public JsonResponse<ApiResult> put$setting(final EditBody body) {
        validateApi(body, messages -> {});
        body.crudMode = CrudMode.EDIT;
        final WebConfig webConfig = getWebConfig(body).map(entity -> {

	timeoutCtx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()
	lease, err := client.Grant(timeoutCtx, ttl)
	if err != nil {
		return etcdErrToErr(err, client.Endpoints())
	}
	_, err = client.Put(timeoutCtx, key, string(data), etcd.WithLease(lease.ID))
	etcdLogIf(ctx, err)
	return etcdErrToErr(err, client.Endpoints())
}