paramMap.put(entry.getKey(), new String[] { entry.getValue() });
                }
            }
            return paramMap;
        }

        @Override
        public String getProtocol() {
            throw new UnsupportedOperationException();
        }

        @Override
        public String getScheme() {
            throw new UnsupportedOperationException();
        }

            }

            @Override
            public java.util.Map<String, String[]> getParameterMap() {
                return null;
            }

            @Override
            public String getProtocol() {
                return null;
            }

            @Override
            public String getScheme() {
                return null;
            }

            @Override

     */
    protected static Traverser getTraverser(final URL url, final String rootPackage, final String rootDir) {
        final TraverserFactory factory = traverserFactories.get(URLUtil.toCanonicalProtocol(url.getProtocol()));
        if (factory != null) {
            return factory.create(url, rootPackage, rootDir);
        }
        logger.log("WCL0013", asArray(rootPackage, url));
        return null;
    }

    /**

     */
    protected String normalizeCanonicalUrl(final String baseUrl, final String canonicalUrl) {
        try {
            final URL u = new URL(baseUrl);
            return new URL(u, canonicalUrl.startsWith(":") ? u.getProtocol() + canonicalUrl : canonicalUrl).toString();
        } catch (final MalformedURLException e) {
            logger.warn("Invalid canonical url: {} : {}", baseUrl, canonicalUrl, e);
        }
        return null;
    }

                        return null;
                    }
                    try {
                        final URL u = getURL();
                        final String protocol = u.getProtocol();
                        int port = u.getPort();
                        if (port == -1) {
                            port = "https".equalsIgnoreCase(protocol) ? 443 : 80;
                        }

        }

        @Override
        public java.util.Map<String, String[]> getParameterMap() {
            return new java.util.HashMap<>();
        }

        @Override
        public String getProtocol() {
            return "HTTP/1.1";
        }

        @Override
        public String getScheme() {
            return "http";
        }

        @Override

    assertThat(zeroLengthPayload.headers["content-length"]).isEqualTo("0")
    assertThat(zeroLengthPayload.bodySize).isEqualTo(0L)
  }

  @Test
  fun setProtocols() {
    server.enqueue(
      MockResponse(body = "A"),
    )
    client =
      client
        .newBuilder()
        .protocols(Arrays.asList(Protocol.HTTP_1_1))
        .build()