t/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a></div><p class="paragraph">Determines whatever declaration has a specified return type.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph"><code class="lang-kotlin">true</code> if the declaration has the specified return type (or any return type if <a href="has-return-type.html">predicate</a> is <code class="lang-kotlin">null</code>), <code class="lang-kotlin">false</code> otherwise.</p></span><h4 class="">Parameters</h4><div class="tab