/**
 * Browser WebSocket client using native `globalThis.WebSocket`.
 *
 * Selected at build time via the `"browser"` field in package.json.
 */
import { ReadyState, type MessageOut, type WsConfig, type WsEvent } from "./index";
import { type SubscribeParams, type UnsubscribeParams } from "./subscriptions";
import type { IWsClient } from "./types";
export declare class WsClient implements IWsClient {
    private readonly config;
    private socket?;
    private reconnectAttempts;
    private userInitiatedClose;
    private pingTimer?;
    private pongTimer?;
    private callbacks;
    private readonly activeSubscriptions;
    private readonly pendingMessages;
    /**
     * @param config   - WebSocket configuration (url, reconnect settings, etc.)
     * @param _authTokenRef - Ignored in browser builds. The browser automatically
     *                        sends HTTP-only cookies with same-origin WebSocket
     *                        connections, so manual token injection is unnecessary.
     */
    constructor(config?: Partial<WsConfig>, _authTokenRef?: () => Promise<string | undefined>);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    send(message: MessageOut): void;
    subscribe(params: SubscribeParams): void;
    unsubscribe(params: UnsubscribeParams): void;
    isConnected(): boolean;
    readyState(): ReadyState;
    restartConnection(): Promise<void>;
    clearAuthedSubscriptions(): void;
    on(callback: (event: WsEvent) => void): () => void;
    private emit;
    private connectInternal;
    private handleIncoming;
    private handleClose;
    private backoffDelayMs;
    private startHeartbeat;
    private stopHeartbeat;
    private armPongTimeout;
    private clearPongTimeout;
    private trackMessage;
    private flushPendingMessages;
    private resubscribeAll;
}
//# sourceMappingURL=client.browser.d.ts.map