import { type AltEditorLiteLanguage, type EditorLanguageDefinition, type PartialEditorLanguage } from '../core/alt-editor-lite-language.js';
/**
 * Registers language data for Browser Global and application lookup.
 *
 * @param language - Translated language data with a BCP 47 locale identifier.
 * @returns Complete validated language data stored by the registry.
 */
export declare function registerLocale(language: Readonly<EditorLanguageDefinition>): Readonly<AltEditorLiteLanguage>;
/**
 * Registers language data using an explicit locale identifier.
 *
 * @param localeName - BCP 47 locale identifier.
 * @param language - Complete or partial translated language data.
 * @returns Complete validated language data stored by the registry.
 */
export declare function registerLocale(localeName: string, language: Readonly<PartialEditorLanguage>): Readonly<AltEditorLiteLanguage>;
/**
 * Retrieves a registered locale without changing the registry.
 *
 * @param localeName - Registered locale name.
 * @returns The complete locale, or undefined when it is not registered.
 */
export declare function getLocale(localeName: string): Readonly<AltEditorLiteLanguage> | undefined;
/**
 * Lists registered locale names in deterministic registration order.
 *
 * @returns A new readonly array of locale names.
 */
export declare function getRegisteredLocaleNames(): readonly string[];