import { Log } from '@spinajs/log-common';
import { WriteStream } from 'fs';
import { PassThrough } from 'stream';
import { fs, IFsTempOptions, IFsUploadOptions, IStat, IWriteStreamOptions, IZipResult } from './interfaces.js';
import { TempCleanupStrategy } from './temp-cleanup-strategy.js';
/**
 * Temp filesystem. Use it for creating and storing temporary files and dirs.
 *
 * It is a wrapper over any other registered fs provider - all file operations are
 * delegated to backend fs selected by `provider` option, so temp files can live
 * on local disk, s3, ftp etc. Backend must be a registered fs provider - creation
 * fails otherwise.
 *
 * Old files are automatically deleted by configured TempCleanupStrategy
 * ( default: first level files older than `maxFileAge` seconds ).
 */
export declare class fsTemp extends fs {
    Options: IFsTempOptions;
    protected Logger: Log;
    /**
     * Backend filesystem holding temp files. Registered and disposed
     * independently - this wrapper does not own it.
     */
    protected Provider: fs;
    /**
     * Cleanup policy, selectable via `cleanupStrategy` option.
     * Owns its own schedule ( interval, cron, ... ) via start / stop.
     */
    protected CleanupStrategy: TempCleanupStrategy;
    get Name(): string;
    constructor(Options: IFsTempOptions);
    resolve(): Promise<void>;
    dispose(): Promise<void>;
    get BasePath(): string | undefined;
    protected doDownload(path: string): Promise<string>;
    protected doUpload(srcPath: string, destPath: string, options?: IFsUploadOptions): Promise<void>;
    protected doHash(path: string, algo?: string): Promise<string>;
    protected doMetadata(path: string): Promise<import("./interfaces.js").IFileInfo>;
    resolvePath(path: string): string;
    protected doRead(path: string, encoding?: BufferEncoding): Promise<string | Buffer>;
    protected doReadStream(path: string, encoding?: BufferEncoding): Promise<NodeJS.ReadableStream>;
    protected doWrite(path: string, data: string | Uint8Array, encoding?: BufferEncoding): Promise<void>;
    protected doWriteStream(path: string, readStream: NodeJS.ReadableStream | undefined, options: IWriteStreamOptions): Promise<WriteStream | PassThrough>;
    protected doExists(path: string): Promise<boolean>;
    protected doDirExists(path: string): Promise<boolean>;
    protected doCopy(path: string, dest: string, dstFs?: fs): Promise<void>;
    protected doMove(oldPath: string, newPath: string, dstFs?: fs): Promise<void>;
    protected doRename(oldPath: string, newPath: string): Promise<void>;
    protected doRm(path: string): Promise<void>;
    protected doMkdir(path: string): Promise<void>;
    protected doStat(path: string): Promise<IStat>;
    protected doList(path: string): Promise<string[]>;
    protected doHasEntries(path: string): Promise<boolean>;
    tmppath(ext?: string): string;
    protected doAppend(path: string, data: string | Uint8Array, encoding?: BufferEncoding): Promise<void>;
    protected doZip(path: string | (string | string[])[], dstFs: fs, dstFile: string): Promise<IZipResult>;
    protected doUnzip(srcPath: string, destPath: string, dstFs: fs): Promise<string>;
    protected doIsDir(path: string): Promise<boolean>;
}
//# sourceMappingURL=temp-provider.d.ts.map