export declare const headers: (initial?: Record<string, string>) => Headers;
declare class Headers {
    private headers;
    constructor(initial?: Record<string, string>);
    withBearer(token: string): this;
    withLanguage(language?: string): this;
    withContentTypeJson(): this;
    withContentType(contentType: string): this;
    withHeader(key: string, value?: string): this;
    export(): Record<string, string>;
}
export {};
//# sourceMappingURL=headers.d.ts.map