import { Options } from 'got-cjs';
/**
 * Merges original generated headers and user provided overrides.
 * All header overrides will have the original header case, because of antiscraping.
 */
export declare function mergeHeaders(original: Record<string, string>, overrides: Record<string, string | undefined>): {
    [k: string]: string;
};
export declare function browserHeadersHook(options: Options): Promise<void>;
//# sourceMappingURL=browser-headers.d.ts.map