import WebSocket from 'isomorphic-ws';
import { RestClientType } from './BaseRestClient.js';
export interface RestClientOptions {
    /** Your API key */
    apiKey?: string;
    /** Your API secret */
    apiSecret?: string;
    /** Your API memo (can be anything) that you included when creating this API key */
    apiMemo?: string;
    /**
     * Override the default/global max size of the request window (in ms) for signed api calls.
     * If you don't include a recv window when making an API call, this value will be used as default
     */
    recvWindow?: number;
    /** Default: false. If true, we'll throw errors if any params are undefined */
    strictParamValidation?: boolean;
    /**
     * Optionally override API protocol + domain
     * e.g baseUrl: 'https://api.bitmart.com'
     **/
    baseUrl?: string;
    /**
     * Default: false. If true, use the simulated trading demo environment.
     * For V2 Futures: https://demo-api-cloud-v2.bitmart.com
     * Note: The API keys for Simulated-Environment and Prod-Environment are the same.
     */
    demoTrading?: boolean;
    /** Default: true. whether to try and post-process request exceptions (and throw them). */
    parseExceptions?: boolean;
    /**
     * Allows you to provide a custom "signMessage" function, e.g. to use node's much faster createHmac method
     *
     * Look in the examples folder for a demonstration on using node's createHmac instead.
     */
    customSignMessageFn?: (message: string, secret: string) => Promise<string>;
    /**
     * Enable keep alive for REST API requests (via axios).
     */
    keepAlive?: boolean;
    /**
     * When using HTTP KeepAlive, how often to send TCP KeepAlive packets over sockets being kept alive. Default = 1000.
     * Only relevant if keepAlive is set to true.
     * Default: 1000 (defaults comes from https agent)
     */
    keepAliveMsecs?: number;
}
export declare function serializeParams<T extends Record<string, any> | undefined = {}>(params: T, strict_validation: boolean | undefined, encodeValues: boolean, prefixWith: string): string;
export declare function getRestBaseUrl(useTestnet: boolean, restInverseOptions: RestClientOptions, restClientType: RestClientType): string;
export declare const APIID = "bitmartapinode1";
export interface MessageEventLike<TDataType = string> {
    target: WebSocket;
    type: 'message';
    data: TDataType;
}
export declare function isCompressedMessageEvent(msg: unknown): msg is MessageEventLike<Buffer>;
export declare function isMessageEvent(msg: unknown): msg is MessageEventLike;