export declare type BuildNameFunt = (file: File, index: number) => string;
declare const fileHandler: (file: File, chunkSize: number, isBlob?: boolean, chunkName?: BuildNameFunt) => {
    getChunk: (index: number) => Blob | File;
    chunkNums: number;
};
export declare type FileChunks = ReturnType<typeof fileHandler>;
export default fileHandler;