import { Client } from 'ssh2';
import { QueuifiedSFTP } from './queuifiedSftp';
import { SftpSyncConfig, SftpSyncOptions } from './config';
/**
 * Creates a new SftpDeploy instance
 * @class
 */
export declare class SftpSync {
    /**
     * Config object
     */
    config: SftpSyncConfig;
    /**
     * Options object
     */
    options: SftpSyncOptions;
    /**
     * SSH2 Client
     */
    client: Client;
    /**
     * Promisified SFTP wrapper with queue
     */
    queuifiedSftp: QueuifiedSFTP;
    /**
     * Local directory root
     */
    localRoot: string;
    /**
     * Remote directory root
     */
    remoteRoot: string;
    /**
     * Whether a SSH2 connection has been made or not
     */
    private connected;
    /**
     * Constructor
     */
    constructor(config: SftpSyncConfig, options?: SftpSyncOptions);
    /**
     * Make SSH2 connection
     */
    connect(): Promise<void>;
    /**
     * Close SSH2 connection
     */
    close(): void;
    /**
     * Sync with specified path
     */
    sync(relativePath?: string, isRootTask?: boolean): Promise<void>;
    /**
     * Upload file/directory
     */
    upload(relativePath: string, isRootTask?: boolean): Promise<void>;
    /**
     * Remove a remote file or directory
     */
    removeRemote(relativePath: string, isRootTask?: boolean): Promise<void>;
    /**
     * No operation
     */
    noop(): Promise<void>;
    /**
     * Create a directory on a remote host
     */
    createRemoteDirectory(relativePath: string): Promise<void>;
    /**
     * Build a local and remote files status report for the specified path
     */
    private buildSyncTable(relativePath);
    /**
     * Get an async version of sftp stream
     */
    private initQueuifiedSftp(concurrency?);
    /**
     * Get a full path of a local file or directory
     */
    private localFullPath(relativePath);
    /**
     * Get a full path of a remote file or directory
     */
    private remoteFullPath(relativePath);
}