/**
 * ``POST /v3/files`` result. The presigned ``url`` *is* the file handle:
 * pass it as ``{"source": "url", "url": <url>}`` in any media input the
 * model's schema advertises (``image`` / ``end_image`` / ``images`` /
 * ``audio`` / ``video``) on submit.
 */
export interface FileUploadResponse {
    /** Presigned GET URL for the stored bytes — the handle itself. Pass it back verbatim, query string included: a modified URL is not recognised as your handle and is rejected as an external URL. */
    url: string;
    /** MIME type sniffed from the uploaded bytes; the request's own Content-Type and filename are never trusted. Decides which media inputs will accept this handle. */
    content_type: string;
    /** ISO-8601 instant `url` stops being accepted — one hour after upload. Submitting with a lapsed handle is a 400 with `reason: "expired"`, not a fetch failure; upload the file again for a fresh handle. The stored object is deleted separately by a bucket lifecycle policy about a day after upload, so treat re-uploading, not re-presigning, as the remedy. */
    expires_at: string;
}