lass="paragraph">The listener to post changes.</p></div></div></div></div></div><h4 class="">Throws</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lite/commonMain" data-filterable-set=":couchbase-lite/commonMain"><div class="main-subrow keyValue "><div class=""><span class="inline-flex"><div><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-illegal-state-exception/index.html"><span>Illegal</span><wbr><span>State</span><wbr><span><span>Exception</span></span></