ess</a></span>&gt;</span></span>&gt;</span></span>
            <span class="name ">lookup</span>
(<wbr><span class="parameter" id="lookup-param-host"><span class="type-annotation"><a href="dart-core/String-class.html">String</a></span> <span class="parameter-name">host</span>, {</span> <span class="parameter" id="lookup-param-type"><span class="type-annotation"><a href="dart-io/InternetAddressType-class.html">InternetAddressType</a></span> <span class="parameter-name">type</span>: <span class="default-value