/// <reference types="node" />
import { Server } from 'http';
import { Spear } from 'tspace-spear';
/**
 * The 'NfsServer' class is a created the server for nfs
 *
 * @example
 * import { NfsServer } from "tspace-nfs";
 *
 * new NfsServer()
 * .listen(8000 , ({ port }) => console.log(`Server is running on port http://localhost:${port}`))
 */
declare class NfsServer {
    private _queue;
    private _app;
    private _router;
    private _html;
    private _credentials;
    private _buckets;
    private _onStudioBucketCreated?;
    private _onStudioCredentials?;
    private _onLoadBucketCredentials?;
    private _fileExpired;
    private _rootFolder;
    private _cluster;
    private _jwtExipred;
    private _jwtSecret;
    private _progress;
    private _debug;
    private _trash;
    private _backup;
    get instance(): Spear;
    /**
     * The 'progress' is method used to view the progress of the file upload.
     *
     * @returns {this}
     */
    debug(): this;
    /**
     * The 'progress' is method used to view the progress of the file upload.
     *
     * @returns {this}
     */
    progress(): this;
    /**
     * The 'defaultPage' is method used to set default home page.
     *
     * @param {string} html
     * @returns {this}
     */
    defaultPage(html: string): this;
    /**
     * The 'directory' is method used to set directory for root directory
     *
     * @param {string} folder
     * @returns {this}
     */
    directory(folder: string): this;
    /**
     * The 'cluster' is method used to make cluster for server
     *
     * @param {number} workers
     * @returns {this}
     */
    cluster(workers?: number): this;
    /**
     * The 'fileExpired' is method used to set file expiration
     *
     * @param {number} seconds
     * @returns {this}
     */
    fileExpired(seconds: number): this;
    /**
     * The 'credentials' is method used to set expiration and secret for credentials
     *
     * @param    {object}  credentials
     * @property {number}  credentials.expired by seconds
     * @property {string?} credentials.secret
     * @returns  {this}
     */
    credentials({ expired, secret }: {
        expired: number;
        secret?: string;
    }): this;
    /**
     * The 'bucketLists' method is used to inform the server about the available bucket lists.
     *
     * @param    {function} callback
     * @returns  {this}
     */
    bucketLists(callback: () => Promise<string[]>): this;
    /**
     * The 'onBucketLists' method is used to inform the server about the available bucket lists.
     *
     * @param    {function} callback
     * @returns  {this}
     */
    onLoadBucketLists(callback: () => Promise<string[]>): this;
    /**
     * The 'onCredentials' is method used to wrapper to check the credentials.
     *
     * @param    {function} callback
     * @returns  {this}
     */
    onCredentials(callback: ({ token, secret, bucket }: {
        token: string;
        secret: string;
        bucket: string;
    }) => Promise<boolean>): this;
    /**
     * The 'useStudio' is method used to wrapper to check the credentials for studio.
     * @param    {object}   studio
     * @property {function} studio.onCredentials
     * @property {function} studio.onBucketCreated
     * @returns  {this}
     */
    useStudio({ onCredentials, onBucketCreated, onLoadBucketCredentials }: {
        onCredentials: (({ username, password }: {
            username: string;
            password: string;
        }) => Promise<{
            logged: boolean;
            buckets: string[];
        }>);
        onBucketCreated?: (({ token, secret, bucket }: {
            token: string;
            secret: string;
            bucket: string;
        }) => Promise<void>);
        onLoadBucketCredentials?: (() => Promise<{
            bucket: string;
            token: string;
            secret: string;
        }[]>);
    }): this;
    /**
     * The 'listen' method is used to bind and start a server to a particular port and optionally a hostname.
     *
     * @param {number} port
     * @param {function} cb
     * @returns
     */
    listen(port: number, cb?: ({ port, server }: {
        port: number;
        server: Server;
    }) => void): void;
    private _default;
    private _benchmark;
    private _media;
    private _apiFile;
    private _apiBase64;
    private _apiStream;
    private _apiStorage;
    private _apiFolders;
    private _apiUpload;
    private _apiMerge;
    private _apiUploadBase64;
    private _apiRemove;
    private _apiConnect;
    private _studio;
    private _studioStorage;
    private _studioPreview;
    private _stduioPreviewText;
    private _stduioPreviewTextEdit;
    private _studioLogin;
    private _studioLogout;
    private _studioUpload;
    private _studioBucket;
    private _studioBucketCreate;
    private _studioFiles;
    private _studioEdit;
    private _studioRemove;
    private _fileStructure;
    private _makeStream;
    private _verify;
    private _authMiddleware;
    private _authStudioMiddleware;
    private _files;
    private _normalizeFolder;
    private _normalizeDirectory;
    private _normalizePath;
    private _remove;
    private _trashed;
    private _trashedWithFolder;
    private _fileExists;
    private _removeOldDirInTrash;
    private _removeDir;
}
export { NfsServer };
export default NfsServer;