import type { PluginOption } from "vite";
export type Changefreq = "always" | "hourly" | "daily" | "weekly" | "monthly" | "yearly" | "never";
interface Entry {
    path: string;
    lastmod?: string;
    changefreq?: Changefreq;
    priority?: number;
}
export type SitemapEntry = string | Entry;
interface Options extends Omit<Entry, "path"> {
    base?: string;
    urls?: SitemapEntry[];
    fileName?: string;
    robotsTxt?: boolean | string | null;
}
/**
 * Remove leading and trailing slashes
 */
export declare const unslash: (str: string) => string;
/**
 * Ensure string ends with a slash
 */
export declare const adslash: (str: string) => string;
/**
 * Generate a single sitemap entry
 */
export declare const sitemapEntry: (base: string, entry: SitemapEntry, options: Options) => string;
/**
 * Generate sitemap entries
 */
export declare const sitemapEntries: (base: string, entries: SitemapEntry[], options: Options) => string;
/**
 * Generate robots.txt file if enabled
 */
export declare function emitRobotsTxt(this: any, robotsTxt: string | boolean | null | undefined, base: string): void;
/**
 * Vite plugin to generate sitemap.xml (and optionally robots.txt)
 */
export default function sitemap(options?: Options): PluginOption;
export {};