import type { QrKeyringBridge, QrScanRequest, SerializedUR } from "./qr-keyring.mjs";
/**
 * Options for the QrKeyringScannerBridge.
 */
export type QrKeyringScannerBridgeOptions = {
    /**
     * The function that the bridge will use to initiate a QR scan request.
     */
    requestScan: (request: QrScanRequest) => Promise<SerializedUR>;
};
/**
 * A generic transport bridge that allows the consumer to inject a scan
 * request hook at construction time.
 */
export declare class QrKeyringScannerBridge implements QrKeyringBridge {
    #private;
    constructor({ requestScan }: QrKeyringScannerBridgeOptions);
    /**
     * Request a QR code scan, obtaining a CBOR and a type as response.
     *
     * @param request - The type of QR scan request.
     * @returns The scanned data as a serialized UR.
     */
    requestScan(request: QrScanRequest): Promise<SerializedUR>;
}
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