import type { MultiPartFile } from "../lara/client";
import { S3Client, type S3UploadFields } from "./client";
import type { LaraStream } from "./laraStream.browser";
/** @internal */
export declare class BrowserS3Client extends S3Client {
    _upload(url: string, fields: S3UploadFields, file: File): Promise<void>;
    download(url: string): Promise<Blob>;
    downloadStream(url: string): Promise<LaraStream>;
    wrapMultiPartFile(file: MultiPartFile): File;
}