import { ComputedRef, Ref } from 'vue';
import { QRCodeRenderResponse } from './types';
export type CompatibleMaybeRef<T> = T | Ref<T>;
export type QRCodeDownloadSource = CompatibleMaybeRef<QRCodeRenderResponse>;
export type UseQRCodeDownloadReturn = {
    canDownload: ComputedRef<boolean>;
    download: (fileName?: string, sourceOverride?: QRCodeRenderResponse) => Promise<void>;
};
export declare function useQRCodeDownload(source?: QRCodeDownloadSource): UseQRCodeDownloadReturn;