/**
 * JPEG COM marker insertion.
 * Inserts a COM (0xFFFE) marker after the SOI marker without re-encoding.
 */
/**
 * Insert a COM comment marker into a JPEG buffer.
 * Splices after the SOI (FF D8) marker — no re-encoding, no quality loss.
 */
export declare function insertJpegComment(jpeg: Buffer, comment: string): Buffer;
/**
 * Add a COM comment to a JPEG file in-place.
 */
export declare function addJpegFileComment(filePath: string, comment: string): void;
//# sourceMappingURL=jpeg-comment.d.ts.map