export declare const FUGLE_MARKETDATA_API_REST_BASE_URL = "https://api.fugle.tw/marketdata";
export declare const FUGLE_MARKETDATA_API_WEBSOCKET_BASE_URL = "wss://api.fugle.tw/marketdata";
export declare const FUGLE_MARKETDATA_API_VERSION = "v1.0";
/**
 * WebSocket streaming versions available per product, oldest first — the last
 * entry is the product's latest and is what you get when no `version` option
 * is supplied.
 *
 * futopt v1.1 is v1.0 plus trial-matching (試撮, TAIFEX I022/I082) frames on
 * the `trades` and `books` channels, which carry a top-level `isTrial: true`.
 * Stock has no v1.1: its trials have always been streamed, so there was no
 * compatibility break to gate.
 */
export declare const FUGLE_MARKETDATA_WS_SUPPORTED_VERSIONS: {
    readonly stock: readonly ["v1.0"];
    readonly futopt: readonly ["v1.0", "v1.1"];
};
export declare const CONNECT_EVENT = "connect";
export declare const DISCONNECT_EVENT = "disconnect";
export declare const MESSAGE_EVENT = "message";
export declare const ERROR_EVENT = "error";
export declare const AUTHENTICATED_EVENT = "authenticated";
export declare const UNAUTHENTICATED_EVENT = "unauthenticated";
export declare const UNAUTHENTICATED_MESSAGE = "Invalid authentication credentials";