import { SupportedLanguageCode } from '../types';
export declare const isValidLanguageCode: (code: string) => code is string;
export declare const alwaysJson: (file: string) => string;
export declare const cutUrl: (url: string) => {
    firstPath: string;
    lastPath: string;
};
export declare const neverEndWithSlash: (url: string) => string;
export declare const alwaysEndWithSlash: (url: string) => string;
export declare const useReqLang: (acceptLanguage: any) => SupportedLanguageCode | undefined;
export declare const randomStr: (length: number) => string;
//# sourceMappingURL=tools.d.ts.map