export interface SitesLanguageOptions {
    config?: string;
    environmentName?: string;
    json?: boolean;
    quiet?: boolean;
    format?: string;
    /** Regional ISO code (e.g. `fr-FR`, `da-DK`). */
    code?: string;
    allowWrite?: boolean;
    apply?: boolean;
    whatIf?: boolean;
}
/** List the languages currently added to the environment. */
export declare const runSitesLanguageList: (options: SitesLanguageOptions) => Promise<void>;
/** List the languages SitecoreAI supports (the catalog you can add from). */
export declare const runSitesLanguageListSupported: (options: SitesLanguageOptions) => Promise<void>;
/**
 * Add a language to the environment (idempotent server-side), then wire
 * its fallback language so Sitecore's language-fallback chain matches
 * the base-locale model (regional → base when present → `en`; base →
 * `en`). Fallback wiring is best-effort — a failed PATCH never fails
 * the add.
 */
export declare const runSitesLanguageAdd: (options: SitesLanguageOptions) => Promise<void>;
/** Remove a language from the environment (destructive — gated by --apply). */
export declare const runSitesLanguageRemove: (options: SitesLanguageOptions) => Promise<void>;