export function fetchAndCacheConfiguration({ configurationFilePath, serviceWorkerController }: {
    configurationFilePath: any;
    serviceWorkerController: any;
}): Promise<any>;
export function saveConfiguration({ configuration, serviceWorkerController }: {
    configuration: any;
    serviceWorkerController: any;
}): Promise<Response>;
export function refreshConfiguration(serviceWorkerController: any): Promise<any>;