i/latest/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a><span class="clearfix"><span class="floating-right">(<a href="https://github.com/jeffdgr8/kotbase/tree/main/couchbase-lite/src/commonMain/kotlin/kotbase/Result.kt#L209">source</a>)</span></span></div><p class="paragraph">The projecting result value for the given key  as a boolean value. Returns false if the key doesn't exist.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">The boolean value.</p></span><h4 class="">Parameters</