import type { EditorConfig } from './types';
/**
 * Sets the language property for the provided editor configuration and loads translations.
 *
 * @internal
 *
 * @remarks
 *
 * - UI language: If the language is not set, it defaults to the admin's preferred language, falling
 * back to 'en'. If the language is other than 'en', the CKEditor translation will be loaded.
 *
 * - Content language: Checks whether the field is localized (`isFieldLocalized`) and applies
 * the determined i18n language accordingly.
 */
export declare function setUpLanguage(config: EditorConfig, isFieldLocalized: boolean): Promise<void>;