How to use

map

method

in

java.net.http.HttpHeaders

/**
 * Construct a headers, from immutable jdk http client headers.
 *
 * @param httpHeaders the http headers
 * @return Headers
 */
public static Headers ofHttpHeaders(HttpHeaders httpHeaders) {
  return new Headers(httpHeaders.map());
}

@Override
public Map<String, List<String>> headers() {
  return clientResponse.headers().map();
}