import type { DatabaseSync } from 'node:sqlite';
import webPush from 'web-push';
import type { DispatchReceipt, NotificationDispatch } from './dispatch.js';
/** Browser transport over the canonical ledger. Route resolution remains an authenticated host concern. */
export declare function createBrowserNotificationTransport(db: DatabaseSync, options: {
    route: (dispatch: NotificationDispatch) => string | null;
    send?: typeof webPush.sendNotification;
    clock?: () => number;
}): (dispatch: NotificationDispatch, signal: AbortSignal) => Promise<DispatchReceipt>;