ion class="multi-line-signature">
        <span class="returntype"><a href="dart-core/bool-class.html">bool</a></span>
                <span class="name ">BadCertificateCallback</span>
(<wbr><span class="parameter" id="BadCertificateCallback-param-cr"><span class="type-annotation"><a href="dart-io/X509Certificate-class.html">X509Certificate</a></span> <span class="parameter-name">cr</span>, </span> <span class="parameter" id="BadCertificateCallback-param-host"><span class="type-annotation"><a href="dart-cor