import type { QueryDef, SqlFragment } from '@risingwave/wavelet';
import type { ViewDiff } from './cursor-manager.js';
export declare class WebhookFanout {
    private signingSecret?;
    private webhooks;
    constructor(queries: Record<string, QueryDef | SqlFragment>, signingSecret?: string | undefined);
    broadcast(queryName: string, diff: ViewDiff): Promise<void>;
}
//# sourceMappingURL=webhook.d.ts.map