y/index.html">MutableDictionary</a><span class="token operator">?</span></div><p class="paragraph">Get a property's value as a Dictionary, which is a mapping object of a dictionary value. Returns null if the property doesn't exist, or its value is not a dictionary.</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">the Dictionary object or null if the key doesn't exist.</p></span><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lit