import { type SyncedStateClient, type SyncedStateStatus, type StatusChangeCallback, type WebSocketFactory } from "./connection/types.js";
import { getBackoffMs } from "./reconnect/backoff.js";
export type { SyncedStateClient, SyncedStateStatus, StatusChangeCallback };
export declare const onStatusChange: (endpoint: string, callback: StatusChangeCallback) => (() => void);
/**
 * Returns a cached client for the provided endpoint, creating it when necessary.
 * The returned client is a thin wrapper around a raw WebSocket that speaks the
 * JSON state-sync protocol.
 */
export declare const getSyncedStateClient: (endpoint?: string, webSocketFactory?: WebSocketFactory) => SyncedStateClient;
/**
 * Resets all state for an endpoint. Used by tests to isolate test cases and
 * by cleanup paths.
 */
export declare const setSyncedStateClientForTesting: (client: SyncedStateClient | null, endpoint?: string) => void;
export declare const __testing: {
    getBackoffMs: typeof getBackoffMs;
    PENDING_REQUEST_TIMEOUT_MS: number;
};