export type CDNType = 'Amazon S3' | 'Amazon CloudFront' | 'IIJ' | 'Cloudflare' | 'Akamai';
/**
 * Detects the CDN provider from HTTP response headers.
 * Identifies Akamai, Amazon CloudFront, Amazon S3, IIJ, and Cloudflare
 * based on their characteristic response headers.
 * @param headers - The HTTP response headers object.
 * @returns The detected CDN provider name (e.g., `'Cloudflare'`, `'Akamai'`),
 *          or `false` if no known CDN is detected.
 */
export declare function detectCDN(headers: Record<string, string | string[] | undefined>): false | CDNType;