import { ReactElement, ReactNode } from 'react';
import type { NextConfig } from 'next';
export interface TranslationQuery {
    [name: string]: any;
}
export type DataForStoreType = {
    lang: string;
    namespaces: Record<string, I18nDictionary>;
    config: LoaderConfig;
};
export type Translate = <T extends unknown = string>(i18nKey: string | TemplateStringsArray, query?: TranslationQuery | null, options?: {
    returnObjects?: boolean;
    fallback?: string | string[];
    default?: T | string;
    ns?: string;
}) => T;
export interface I18n {
    t: Translate;
    lang: string;
}
export interface I18nProviderProps {
    lang?: string;
    namespaces?: Record<string, I18nDictionary>;
    children?: ReactNode;
    config?: I18nConfig;
}
export interface TransProps {
    i18nKey: string;
    components?: ReactElement[] | Record<string, ReactElement>;
    values?: TranslationQuery;
    fallback?: string | string[];
    defaultTrans?: string;
    ns?: string;
}
export type PageValue = string[] | ((context: object) => string[]);
export type LocaleLoader = (language: string | undefined, namespace: string) => Promise<I18nDictionary>;
export type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;
export type RawNextI18nConfig = Exclude<NextConfig['i18n'], null | undefined>;
export type NextI18nConfig = Optional<RawNextI18nConfig, 'locales' | 'defaultLocale'>;
export interface I18nConfig extends NextI18nConfig {
    loadLocaleFrom?: LocaleLoader;
    localesToIgnore?: string[];
    pages?: Record<string, PageValue>;
    logger?: I18nLogger;
    loggerEnvironment?: 'node' | 'browser' | 'both';
    staticsHoc?: Function;
    extensionsRgx?: string;
    loader?: boolean;
    logBuild?: boolean;
    revalidate?: number;
    pagesInDir?: string;
    interpolation?: {
        format?: Function;
        prefix?: string;
        suffix?: string;
    };
    keySeparator?: string | false;
    nsSeparator?: string | false;
    defaultNS?: string;
    allowEmptyStrings?: boolean;
}
export interface LoaderConfig extends I18nConfig {
    locale?: string;
    router?: {
        locale: string;
    };
    pathname?: string;
    skipInitialProps?: boolean;
    loaderName?: string;
    isLoader?: boolean;
    [key: string]: any;
}
export interface LoggerProps {
    namespace: string | undefined;
    i18nKey: string;
}
export interface I18nLogger {
    (context: LoggerProps): void;
}
export interface I18nDictionary {
    [key: string]: string | I18nDictionary;
}
export interface DynamicNamespacesProps {
    dynamic?: LocaleLoader;
    namespaces?: string[];
    fallback?: ReactNode;
    children?: ReactNode;
}
declare global {
    var i18nConfig: LoaderConfig;
    var __NEXT_TRANSLATE__: {
        namespaces: Record<string, I18nDictionary>;
        lang: string;
        config: LoaderConfig;
    };
    namespace NodeJS {
        interface Global {
            i18nConfig: LoaderConfig;
            __NEXT_TRANSLATE__: {
                namespaces: Record<string, I18nDictionary>;
                lang: string;
            };
        }
    }
    interface Window {
        i18nConfig: LoaderConfig;
        __NEXT_TRANSLATE__: {
            namespaces: Record<string, I18nDictionary>;
            lang: string;
        };
    }
}
type RemovePlural<Key extends string> = Key extends `${infer Prefix}${'_zero' | '_one' | '_two' | '_few' | '_many' | '_other' | `_${number}`}` ? Prefix : Key;
type Join<S1, S2> = S1 extends string ? S2 extends string ? `${S1}.${S2}` : never : never;
export type Paths<T> = RemovePlural<{
    [K in Extract<keyof T, string>]: T[K] extends Record<string, unknown> ? Join<K, Paths<T[K]>> : K;
}[Extract<keyof T, string>]>;
declare function nextTranslate(nextConfig?: NextConfig): NextConfig;
export default nextTranslate;