import { CloverTransport } from '../transport/CloverTransport';
import { CloverDeviceConfiguration } from './CloverDeviceConfiguration';
import { IImageUtil } from '../../../util/IImageUtil';
import { Logger } from "../util/Logger";
/**
 * The base for WebSocket device configurations.
 */
export declare abstract class WebSocketCloverDeviceConfiguration implements CloverDeviceConfiguration {
    protected logger: Logger;
    private static DEFAULT_RECONNECT_DELAY;
    private static DEFAULT_HEARTBEAT_INTERVAL;
    private static MINIMUM_ALLOWED_HEARTBEAT_INTERVAL;
    private static DEFAULT_HEARTBEAT_DISCONNECT_TIMEOUT;
    private heartbeatInterval;
    private heartbeatDisconnectTimeout;
    private reconnectDelay;
    protected maxCharInMessage: number;
    protected webSocketImplClass: any;
    protected imageUtil: IImageUtil;
    private readonly appId;
    /**
     * @param {string} applicationId - the applicationId that uniquely identifies the POS. e.g. com.company.MyPOS:2.3.1
     * @param {Object} webSocketFactoryFunction - the function that will return an instance of the CloverWebSocketInterface
     *    that will be used when connecting.
     * @param {IImageUtil} imageUtil - utility to translate images into base64 strings.
     * @param {number} heartbeatInterval - Frequency at which we will ping the device - millis. Defaults to -1, which means the heartbeat check is disabled.
     * @param {number} reconnectDelay - upon disconnect, duration to wait until a reconnect is attempted - millis. Defaults to 3000 (millis), minimum value is 3000 millis. To disable the reconnect set to -1.
     * @param {number} heartbeatDisconnectTimeout - If a response to a heartbeat ping is not received within this time we will call disconnect.
     */
    constructor(applicationId: string, webSocketFactoryFunction: any, imageUtil: IImageUtil, heartbeatInterval?: number, reconnectDelay?: number, heartbeatDisconnectTimeout?: number);
    getApplicationId(): string;
    getHeartbeatDisconnectTimeout(): number;
    setHeartbeatDisconnectTimeout(heartbeatDisconnectTimeout: number): void;
    getHeartbeatInterval(): number;
    setHeartbeatInterval(heartbeatInterval: number): void;
    getReconnectDelay(): number;
    setReconnectDelay(reconnectDelay: number): void;
    getCloverDeviceType(): any;
    getName(): string;
    /**
     * @override
     */
    getImageUtil(): IImageUtil;
    /**
     * @override
     */
    abstract getMessagePackageName(): string;
    /**
     * @override
     */
    abstract getCloverTransport(): CloverTransport;
    getMaxMessageCharacters(): number;
}