import type { i18n } from 'i18next';
import { type Readable, type Writable } from 'svelte/store';
export interface TranslationService {
    i18n: Readable<i18n>;
}
export type EFunction = (key: string, params?: Record<string, any> | string) => string;
export declare const isLoading: Writable<boolean>;
export declare class I18NextTranslationStore<T> implements TranslationService {
    i18n: Writable<i18n & T>;
    isLoading: Writable<boolean>;
    constructor(i18n: i18n);
    private createInstance;
    private createLoadingInstance;
}