import { TransportClient } from '../shared/transport-client';
export declare function getContentTransport(): TransportClient;
/** Test injection — for unit tests of RemoteBillingClient with a fake channel
 *  (without chrome.runtime). Not used in production. */
export declare function _setContentTransportForTests(client: TransportClient | null): void;
//# sourceMappingURL=transport.d.ts.map