export interface PutFileToSignedUrlOptions {
    filePath: string;
    signedUrl: string;
    size: number;
    contentType: string;
}
/**
 * Streams `filePath` to `signedUrl` via an HTTPS PUT.
 *
 * Uses Node's built-in `https.request` rather than `fetch` so that we
 * (a) honour `HTTPS_PROXY` via `getProxyAgent()` for customers behind
 * corporate proxies and (b) avoid relying on `fetch`'s `duplex: "half"`
 * streaming support, which is fragile across Node 18.x patch versions.
 *
 * Rejects with `UploadError` for non-200 responses so callers can pair
 * this with `retryTransientUploadErrors`.
 */
export declare const putFileToSignedUrl: ({ filePath, signedUrl, size, contentType, }: PutFileToSignedUrlOptions) => Promise<void>;
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