import type { Config } from 'payload';
import type { I18nConfig } from './types.js';
type PayloadLocalizationConfig = NonNullable<Config['localization']>;
/**
 * Transforms validated i18n config into Payload's localization object.
 * Pure function — no side effects, no validation (caller validates first).
 */
export declare function buildLocalizationConfig(config: I18nConfig): PayloadLocalizationConfig;
export {};