/**
 * Small shared helpers for the page-capture dialog flows (live + offscreen). Extracted to remove
 * the previously-duplicated id generator, title reader, and hidden-iframe scaffolding.
 */
/** Generates a request/correlation id, preferring crypto.randomUUID with a prefixed fallback. */
export declare function createCaptureRequestId(prefix: string): string;
/** Reads <title> from an HTML string, returning undefined on empty/parse failure. */
export declare function readTitleFromHtml(html: string): string | undefined;
/** Creates an offscreen, inert hidden iframe sized to the given dimensions for capture/render. */
export declare function createHiddenCaptureIframe(width: number, height: number): HTMLIFrameElement;
