declare const filePartial: {
    partial(args: {
        url: string;
        offsets?: {
            startByte: number;
            endByte: number;
        };
        headers?: Record<string, string>;
        directoryHandle?: FileSystemDirectoryHandle;
    }, callBack: (data: {
        url: string;
        fileArraybuffer: Uint8Array;
        offsets: {
            startByte: number;
            endByte: number;
        };
    }) => void): Promise<Uint8Array | Error>;
};
export default filePartial;