import { Spear, Router, TContext, TNextFunction } from 'tspace-spear';
import { Queue } from './server.queue';
import { Utils } from '../utils';
import type { TCredentials } from '../types';
declare class NfsServerCore {
    protected _buckets: Function | null;
    protected _credentials: ({ token, secret, bucket }: TCredentials) => Promise<boolean> | null;
    protected _queue: Queue;
    protected _app: Spear;
    protected _router: Router;
    protected _html: string | null;
    protected _fileExpired: number;
    protected _rootFolder: string;
    protected _jwtExipred: number;
    protected _jwtSecret: string;
    protected _cluster: boolean | number;
    protected _progress: boolean;
    protected _debug: boolean;
    protected _trash: string;
    protected _metadata: string;
    protected _utils: Utils;
    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;
    protected _default: ({ res }: TContext) => Promise<any>;
    protected _benchmark: () => string;
    protected _media: ({ req, res, query, params }: TContext) => Promise<import("tspace-spear").TResponse<any>>;
    protected _apiFile: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiBase64: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiStream: ({ req, res, body }: TContext) => Promise<void | import("tspace-spear").TResponse<any>>;
    protected _apiStorage: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiFolders: ({ req, res }: TContext) => Promise<void>;
    protected _apiUpload: ({ req, res, files, body }: TContext) => Promise<void>;
    protected _apiMerge: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiUploadBase64: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiRemove: ({ req, res, body }: TContext) => Promise<void>;
    protected _apiConnect: ({ res, body }: TContext) => Promise<void>;
    protected _apiHealthCheck: ({ res, headers }: TContext) => Promise<void>;
    protected _authMiddleware: ({ req, res, headers }: TContext, next: TNextFunction) => any;
    protected _authStudioMiddleware: ({ req, res, cookies }: TContext, next: TNextFunction) => any;
    private _verify;
}
export { NfsServerCore };
export default NfsServerCore;