import type { CheerioAPI } from 'cheerio';
import type { Meta } from '../models/index.ts';
/**
 * Adds or replaces a meta tag in the document head.
 * @param $ - The Cheerio API instance for the document.
 * @param name - The meta property name.
 * @param value - The meta content value (string, array, or nested object).
 */
export declare const addMetaToHead: ($: CheerioAPI, name: string, value: string | object) => void;
/**
 * Injects meta properties, title, and description into an HTML string.
 * @param html - The base HTML string to modify.
 * @param meta - The metadata to inject.
 * @param handler - Optional meta-handler property value to include.
 * @returns The modified HTML string with injected metadata.
 */
export declare const metaBuilder: (html: string, meta: Meta, handler?: string) => string;
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