import type { Context } from 'koa';
declare const _default: {
    bulkUpdateFileInfo(ctx: Context): Promise<void>;
    updateFileInfo(ctx: Context): Promise<void>;
    replaceFile(ctx: Context): Promise<void>;
    uploadFiles(ctx: Context): Promise<Context | undefined>;
    /**
     * @experimental
     * Stream upload files with SSE streaming for per-file progress
     *
     * Streams Server-Sent Events as each file is validated and uploaded:
     * - file:uploading — when processing starts for a file
     * - file:complete  — when a file is successfully uploaded
     * - file:error     — when a file fails validation or upload
     * - stream:complete — final summary with all results
     *
     */
    unstable_uploadFilesStream(ctx: Context): Promise<Context | undefined>;
    /**
     * @experimental
     * Upload files from URLs with SSE streaming for per-file progress
     *
     * Accepts JSON body with URLs and fetches them server-side.
     * Streams Server-Sent Events as each URL is fetched and uploaded:
     * - file:fetching  — when starting to fetch a URL
     * - file:uploading — when upload starts for a fetched file
     * - file:complete  — when a file is successfully uploaded
     * - file:error     — when a URL fetch or upload fails
     * - stream:complete — final summary with all results
     */
    unstable_uploadFromUrls(ctx: Context): Promise<Context | undefined>;
    upload(ctx: Context): Promise<void>;
};
export default _default;
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