Stream</a><span class="signature">&lt;<wbr><span class="type-parameter">T</span>&gt;</span></span>
            <span class="name ">where</span>
(<wbr><ol class="parameter-list"><li><span class="parameter" id="where-param-test"><span class="type-annotation"><a href="../../dart-core/bool-class.html">bool</a></span> <span class="parameter-name">test</span>(<ol class="parameter-list"><li><span class="parameter" id="param-event"><span class="type-annotation">T</span> <span class="parameter-name">event</span></sp