@Override
        protected HttpURLConnection openHTTPConnection(URL url) throws IOException {
            var connection = super.openHTTPConnection(url);
            if (connection instanceof HttpsURLConnection) {
                if (sslSocketFactory != null) {
                    ((HttpsURLConnection) connection).setSSLSocketFactory(sslSocketFactory);
                }
                if (hostnameVerifier != null) {
                    ((HttpsURLConnection) connection).setHostnameVerifier(hostnameVerifier);
                }
            }
            return connection;
        }
<p>Getter for the field <code>responseType</code>.</p>

@return a {@link String} object
pac4j-oidc/src/main/java/org/pac4j/oidc/config/OidcConfiguration.java