export type HttpHeaders = Record<string, string | string[] | undefined>;
export interface HttpResponse {
    statusCode: number;
    headers: HttpHeaders;
    body: Buffer;
}
/**
 * HTTP POST using Node's built-in http module.
 *
 * Each request creates a fresh TCP connection (no keep-alive pooling).
 * TP-Link's SHIP HTTP parser is case-sensitive and rejects requests
 * with lowercase `content-length` (as sent by undici), so we use
 * node:http which sends standard-cased headers.
 */
export declare function httpPost(url: string, body: Buffer | string, headers: Record<string, string>, timeoutMs: number): Promise<HttpResponse>;
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