export namespace util { /** * Retrieves a header name and returns its lowercase value. * @param value Header name */ export function headerNameToString(value: string | Buffer): string; /** * Receives a header object and returns the parsed value. * @param headers Header object * @param obj Object to specify a proxy object. Used to assign parsed values. * @returns If `obj` is specified, it is equivalent to `obj`. */ export function parseHeaders( headers: (Buffer | string | (Buffer | string)[])[], obj?: Record ): Record; }