n class="multi-line-signature">
      <span class="returntype"><a href="../../dart-core/Iterable-class.html">Iterable</a><span class="signature">&lt;<wbr><span class="type-parameter">E</span>&gt;</span></span>
            <span class="name ">where</span>
(<wbr><ol class="parameter-list"><li><span class="parameter" id="where-param-f"><span class="type-annotation"><a href="../../dart-core/bool-class.html">bool</a></span> <span class="parameter-name">f</span>(<ol class="parameter-list"><li><span class="paramet