import { Cache, GetFileFn } from './types';
import { UpdateInterval } from './interval';
export type UpdateOptions = {
    expire?: UpdateInterval;
    mode?: UpdateMode;
};
export type UpdateMode = 'cache_first' | 'wait';
declare function getCacheFile(getFile: GetFileFn, cache: Cache, options: UpdateOptions): GetFileFn;
export default getCacheFile;