ttps://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html">String</a><span class="token operator">&gt;</span><span class="clearfix"><span class="floating-right">(<a href="https://github.com/jeffdgr8/kotbase/tree/main/couchbase-lite/src/commonMain/kotlin/kotbase/Dictionary.kt#L189">source</a>)</span></span></div><p class="paragraph">An iterator over keys of this Dictionary. A call to the <code class="lang-kotlin">next()</code> method of the returned iterator will throw a ConcurrentModificationEx