ight-position"><span class="copy-icon"></span><div class="copy-popup-wrapper popup-to-left"><span class="copy-popup-icon"></span><span>Content copied to clipboard</span></div></span></div></div><p class="paragraph">Sets an expiration date for a document in the default collection. The document will be purged from the database at the set time.</p><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lite/commonMain" data-filterable-set=":couchbase-lite/commo