export interface TokenSubscriptionOptions {
    limit?: number;
    onData(data: unknown): void;
    onError?(error: Error): void;
}
export interface BoundedTokenSubscribeClient {
    subscribe(path: string, options: TokenSubscriptionOptions): Promise<() => Promise<void>>;
    close(): void;
}
export interface BoundedTokenSubscribeConfig {
    appId: string;
    wsApiUrl: string;
    token(): Promise<string>;
}
/**
 * Narrow browser client for Bounded's authenticated WebSocket-v2 `subscribe`
 * protocol. It exists for access-gated pages that already own a short-lived,
 * read-only token and therefore must not pull wallet, write, or chain code into
 * the browser bundle. Tokens are sent only in the first socket frame, never in
 * the URL, storage, errors, or logs.
 */
export declare function createBoundedTokenSubscribeClient(config: BoundedTokenSubscribeConfig): BoundedTokenSubscribeClient;