import * as React from "react";
export declare const defaultLang = "zh-CN";
export declare const langContext: React.Context<string>;
export declare const langGlobalizeContext: {
    Provider: React.FunctionComponent<{
        value: string;
        children: React.ReactNode;
    }>;
    Consumer: React.FunctionComponent<{
        children(value: string): React.ReactNode;
    }>;
    displayName: string;
};
export declare function useLang(): string;