ict. When used with FAIL_ON_CONFLICT concurrency control, save will fail with false value</p><span class="kdoc-tag"><h4 class="">Return</h4><p class="paragraph">true if successful. false if the FAIL_ON_CONFLICT concurrency</p></span><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":couchbase-lite:dokkaHtmlPartial/commonMain" data-filterable-set=":couchbase-lite:dokkaHtmlPartial/commonMain"><div class="main-subrow keyValue "><div class=""><span class="inline-flex