/**
 * Synthesise a minimal valid ICC v2 matrix/TRC RGB display profile from scratch
 * (no external `.icc` asset), for use as a PDF/A-1b `OutputIntent`'s
 * `DestOutputProfile`. Colorimetrically "sRGB-ish"; PDF/A validators check
 * structural validity (version, class, required tags) rather than exact colour.
 *
 * @returns The encoded ICC profile bytes.
 */
export declare function buildSrgbIccProfile(): Uint8Array;