</a><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator">: </span><a href="index.html">MutableDocument</a><span class="clearfix"><span class="floating-right">(<a href="https://github.com/jeffdgr8/kotbase/tree/main/couchbase-lite/src/commonMain/kotlin/kotbase/MutableDocument.kt#L82">source</a>)</span></span></div><p class="paragraph">Returns the copy of this MutableDocument object.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">T