import type { RuntimeI18nConfig } from '../../../utils/i18n.js';
export type { RuntimeI18nConfig } from '../../../utils/i18n.js';
export interface LocaleAlternate {
    code: string;
    hreflang: string;
    path: string;
}
export interface RouteLocaleInfo {
    /** Resolved locale code for this route */
    locale: string;
    /** Route with locale prefix stripped (e.g. /fr/about → /about). For no_prefix this equals route. */
    basePath: string;
}
/**
 * Resolve which locale a route belongs to and the locale-stripped base path.
 */
export declare function resolveLocaleFromRoute(route: string, i18n: RuntimeI18nConfig): RouteLocaleInfo;
/**
 * Build the URL path for a base path under a given locale, honoring the i18n strategy.
 */
export declare function localePath(basePath: string, locale: string, i18n: RuntimeI18nConfig): string;
/**
 * Compute hreflang alternates for a given route.
 * Returns the route itself plus all sibling locale variants.
 */
export declare function computeLocaleAlternates(route: string, i18n: RuntimeI18nConfig): LocaleAlternate[];
/**
 * Get the runtime i18n config from runtimeConfig (or null if disabled).
 */
export declare function getRuntimeI18n(aiReadyConfig: {
    i18n?: RuntimeI18nConfig | null;
}): RuntimeI18nConfig | null;