/// <reference types="node" />
import { Service } from './service';
import * as http from 'http';
import { RuleResult } from './router';
/**
 * @class StaticService
 */
export declare class StaticService extends Service {
    private m_no_cache?;
    private m_markCompleteResponse?;
    private get _root();
    onRequestAuth(info: RuleResult): Promise<boolean> | boolean;
    get isCompleteResponse(): boolean;
    /**
     * response of server
     * @type {http.ServerRequest}
     */
    readonly response: http.ServerResponse;
    /**
     * @constructor
     * @arg req {http.ServerRequest}
     * @arg res {http.ServerResponse}
     * @arg info {Object}
     */
    constructor(req: http.IncomingMessage, res: http.ServerResponse);
    protected markCompleteResponse(): void;
    /**
     * @func onOptionsRequest() options request
     * @param {Object} rule info service info
     */
    onOptionsRequest(rule: RuleResult): void;
    /**
     * call function virtual function
     * @param {Object} info service info
     */
    onAction(rule: RuleResult): void;
    /**
     * returnRedirect
     * @param {String} path
     */
    returnRedirect(path: string): void;
    /**
     * return the state to the browser
     * @param {Number} statusCode
     * @param {String} text (Optional)  not default status ,return text
     */
    returnErrorStatus(statusCode: number, html?: string): void;
    /**
     * 返回站点文件
     */
    returnSiteFile(name: string): Promise<void>;
    isAcceptGzip(filename: string): boolean;
    isGzip(filename: string): boolean;
    setDefaultHeader(expires?: number): void;
    setNoCache(): void;
    /**
     * return file to browser
     * @param {String}       filename
     */
    returnFile(filename: string, mime?: string): void;
    /**
     * return dir
     * @param {String}       filename
     */
    returnDirectory(filename: string): void;
}