import type { ReactiveController, ReactiveControllerHost } from 'lit';
import type { LoquixTranslations } from './types.js';
export type { LoquixTranslations } from './types.js';
export { en } from './translations/en.js';
/**
 * Replace all translation overrides at once.
 *
 * ```ts
 * import { setLocale } from '@aspect/loquix';
 *
 * setLocale({
 *   'chatComposer.placeholder': 'Введите сообщение...',
 *   'chatComposer.sendLabel': 'Отправить',
 * });
 * ```
 */
export declare function setLocale(translations: Partial<LoquixTranslations>): void;
/**
 * Merge additional overrides into the current locale without
 * removing previously set keys.
 */
export declare function updateLocale(translations: Partial<LoquixTranslations>): void;
/** Clear all overrides, reverting to the default English locale. */
export declare function resetLocale(): void;
/** Return a shallow copy of the current locale overrides. */
export declare function getLocale(): Partial<LoquixTranslations>;
/**
 * Reactive controller that gives a component access to the current locale.
 *
 * Subscribes to the global registry on `hostConnected` and unsubscribes
 * on `hostDisconnected`. Calls `host.requestUpdate()` automatically when
 * the locale changes.
 *
 * Usage inside a LitElement:
 * ```ts
 * private _localize = new LocalizeController(this);
 *
 * render() {
 *   return html`<button aria-label=${this._localize.term('chatComposer.sendLabel')}>Send</button>`;
 * }
 * ```
 */
export declare class LocalizeController implements ReactiveController {
    private _host;
    constructor(host: ReactiveControllerHost);
    hostConnected(): void;
    hostDisconnected(): void;
    /**
     * Resolve a translation key with optional `{variable}` interpolation.
     */
    term(key: keyof LoquixTranslations, values?: Record<string, string | number>): string;
}
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