/**
 * Visual ref overlay for annotated screenshots.
 *
 * The overlay is intentionally DOM-side and temporary. It reuses the same
 * `data-opencli-ref` attributes produced by the DOM snapshot path so the
 * screenshot labels map back to normal `browser click <ref>` targets.
 */
export declare function installVisualRefOverlayJs(opts?: {
    maxRefs?: number;
}): string;
export declare function removeVisualRefOverlayJs(): string;