annotation"><a href="dart-core/bool-class.html">bool</a></span> <span class="parameter-name">test</span>(<span class="parameter" id="test-param-element"><span class="type-annotation">T</span> <span class="parameter-name">element</span></span>)</span>)
            <span class="returntype parameter">&#8594; <a href="dart-async/Stream-class.html">Stream</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="dart-io/SecureSocket-class.html">SecureSocket</a></span>&gt;</span></span>
          