Authenticator.setDefault(new ProxyAuthenticator(systemProperties));
        }
    }

    public void sendHeadRequest(URI uri) throws Exception {
        URL safeUrl = safeUri(uri).toURL();
        int responseCode = -1;
        try {
            HttpURLConnection conn = (HttpURLConnection)safeUrl.openConnection();

                }
            } else if (uri.getScheme().startsWith("http") && !isOffline) {
                try {
                    new Download(new Logger(true), "gradlew", Download.UNKNOWN_VERSION).sendHeadRequest(uri);
                } catch (Exception e) {
                    throw new UncheckedIOException(String.format(DISTRIBUTION_URL_EXCEPTION_MESSAGE, url), e);
                }
            }
        }
    }

ava.util.Properties); public void Download(Logger, DownloadProgressList, String, String, java.util.Map); public void Download(Logger, DownloadProgressList, String, String, java.util.Map, int); private void configureProxyAuthen(); public void sendHeadRequest(java.net.URI) throws Exception; public void download(java.net.URI, java.io.File) throws Exception; private void downloadInternal(java.net.URI, java.io.File) throws Exception; static java.net.URI safeUri(java.net.URI); private void addBasicAut...