import { Remote } from "stm-lib";
import IMemo from "./model/memo";
import IServer from "./model/server";
/**
 * Toolkit of Stream
 *
 * @class StreamFingate
 */
export default class StreamFingate {
    readonly version = "0.1.1";
    private _remote;
    private _trace;
    private _trusted;
    private _localSign;
    private _ping;
    private _server;
    private _currency;
    private _native;
    private _decimals;
    constructor(server: IServer);
    trace: boolean;
    trusted: boolean;
    localSign: boolean;
    ping: number;
    currency: string;
    readonly remote: Remote;
    /**
     * validate stream address is valid or not.
     *
     * @static
     * @param {string} address stream address
     * @returns {boolean} return true if valid
     * @memberof StreamFingate
     */
    static isValidAddress(address: string): boolean;
    /**
     * validate stream secret is valid or not
     *
     * @static
     * @param {string} secret stream secret
     * @returns {boolean} return true if valid
     * @memberof StreamFingate
     */
    static isValidSecret(secret: string): boolean;
    /**
     * retrive address with secret
     *
     * @static
     * @param {string} secret stream secret
     * @returns {(string | null)} return stream address if secret is valid, otherwise return null
     * @memberof StreamFingate
     */
    static getAddress(secret: string): string | null;
    /**
     * init instance of _remote
     *
     * @returns {StreamFingate}
     * @memberof StreamFingate
     */
    init(): StreamFingate;
    /**
     * connect to stream network
     *
     * @returns {StreamFingate}
     * @memberof StreamFingate
     */
    connect(): StreamFingate;
    /**
     * disconnect from stream network
     *
     * @returns {StreamFingate}
     * @memberof StreamFingate
     */
    disconnect(): StreamFingate;
    /**
     * request balance of STM
     *
     * @param {string} address
     * @returns {Promise<string>}
     * @memberof StreamFingate
     */
    getBalance(address: string): Promise<string>;
    /**
     * transfer token to address of stream fingate
     *
     * @param {string} secret stream secret
     * @param {string} destination address of stream fingate
     * @param {string} value transfer amount
     * @param {IMemo} memo transfer memo
     * @returns {Promise<string>} resolve hash if success
     * @memberof StreamFingate
     */
    transfer(secret: string, destination: string, value: string, memo: IMemo): Promise<string>;
}