import type { SemanticDomOptions } from './types.js';
/**
 * Normalizes a DOM element or HTML string into a deterministic HTML string
 * for semantic comparison, applying all ignore rules.
 *
 * @example
 * const normalized = normalizeDom(document.body, {
 *   ignoreTextContent: true,
 *   ignoreAttributeValueFor: [
 *     {
 *       tags: ['*'],
 *       attributes: ['class', 'data-testid'],
 *     },
 *   ],
 * })
 *
 * @param html - The HTML string or DOM element to normalize
 * @param options - Optional options to control the normalization process
 *
 * @returns The normalized HTML string
 */
export declare function normalizeDom(html: string | Element | DocumentFragment, options?: SemanticDomOptions): string;