import { WSAPIRequestBitgetV3 } from '../types/websockets/ws-api.js';
import { WebsocketClientOptions, WsKey, WsPrivateTopicV2, WsPrivateTopicV3, WsTopicSubscribeEventArgs, WsTopicSubscribePublicArgsV2 } from '../types/websockets/ws-general.js';
import { DefaultLogger } from './logger.js';
export declare const WS_LOGGER_CATEGORY: {
    category: string;
};
/**
 * Some exchanges have two livenet environments, some have test environments, some dont. This allows easy flexibility for different exchanges.
 * Examples:
 *  - One livenet and one testnet: NetworkMap<'livenet' | 'testnet'>
 *  - One livenet, sometimes two, one testnet: NetworkMap<'livenet' | 'testnet', 'livenet2'>
 *  - Only one livenet, no other networks: NetworkMap<'livenet'>
 */
type NetworkMap<TRequiredKeys extends string, TOptionalKeys extends string | undefined = undefined> = Record<TRequiredKeys, string> & (TOptionalKeys extends string ? Record<TOptionalKeys, string | undefined> : Record<TRequiredKeys, string>);
export declare const WS_BASE_URL_MAP: Record<WsKey, Record<'all', NetworkMap<'livenet' | 'demo'>>>;
/** Should be one WS key per unique URL */
export declare const WS_KEY_MAP: {
    readonly spotv1: "spotv1";
    readonly mixv1: "mixv1";
    readonly v2Public: "v2Public";
    readonly v2Private: "v2Private";
    readonly v3Public: "v3Public";
    readonly v3Private: "v3Private";
};
/** Any WS keys in this list will trigger auth on connect, if credentials are available */
export declare const WS_AUTH_ON_CONNECT_KEYS: WsKey[];
/** Any WS keys in this list will ALWAYS skip the authentication process, even if credentials are available */
export declare const PUBLIC_WS_KEYS: WsKey[];
/**
 * Used to automatically determine if a sub request should be to a public or private ws (when there's two separate connections).
 * Unnecessary if there's only one connection to handle both public & private topics.
 */
export declare const PRIVATE_TOPICS: string[];
export declare const PRIVATE_TOPICS_V2: WsPrivateTopicV2[];
export declare const PRIVATE_TOPICS_V3: WsPrivateTopicV3[];
export declare function getWsUrl(wsKey: WsKey, options: WebsocketClientOptions, logger: DefaultLogger): Promise<string>;
/**
 * Normalised internal format for a request (subscribe/unsubscribe/etc) on a topic, with optional parameters.
 *
 * - Topic: the topic this event is for
 * - Payload: the parameters to include, optional. E.g. auth requires key + sign. Some topics allow configurable parameters.
 * - Category: required for bybit, since different categories have different public endpoints
 */
export interface WsTopicRequest<TWSTopic extends string = string, TWSPayload = unknown> {
    topic: TWSTopic;
    payload?: TWSPayload;
}
/**
 * Conveniently allow users to request a topic either as string topics or objects (containing string topic + params)
 */
export type WsTopicRequestOrStringTopic<TWSTopic extends string, TWSPayload = unknown> = WsTopicRequest<TWSTopic, TWSPayload> | string;
export declare function isPrivateChannel<TChannel extends string>(channel: TChannel): boolean;
export declare function getWsKeyForTopicV1(subscribeEvent: WsTopicSubscribeEventArgs, _isPrivate?: boolean): WsKey;
export declare function getWsKeyForTopicV2(subscribeEvent: WsTopicSubscribePublicArgsV2, isPrivate?: boolean): WsKey;
/** Force subscription requests to be sent in smaller batches, if a number is returned */
export declare function getMaxTopicsPerSubscribeEvent(wsKey: WsKey): number | null;
export declare const WS_ERROR_ENUM: {
    INVALID_ACCESS_KEY: number;
};
export declare function neverGuard(x: never, msg: string): Error;
/**
 * #305: ws.terminate() is undefined in browsers.
 * This only works in node.js, not in browsers.
 * Does nothing if `ws` is undefined. Does nothing in browsers.
 */
export declare function safeTerminateWs(ws?: WebSocket | any, fallbackToClose?: boolean): boolean;
/**
 * Users can conveniently pass topics as strings or objects (object has topic name + optional params).
 *
 * This method normalises topics into objects (object has topic name + optional params).
 */
export declare function getNormalisedTopicRequests(wsTopicRequests: WsTopicRequestOrStringTopic<string>[]): WsTopicRequest<string>[];
/**
 * WebSocket.ping() is not available in browsers. This is a simple check used to
 * disable heartbeats in browers, for exchanges that use native WebSocket ping/pong frames.
 */
export declare function isWSPingFrameAvailable(): boolean;
/**
 * WebSocket.pong() is not available in browsers. This is a simple check used to
 * disable heartbeats in browers, for exchanges that use native WebSocket ping/pong frames.
 */
export declare function isWSPongFrameAvailable(): boolean;
/**
 * WS API promises are stored using a primary key. This key is constructed using
 * properties found in every request & reply.
 */
export declare function getPromiseRefForWSAPIRequest(requestEvent: WSAPIRequestBitgetV3<unknown>): string;
export {};