raph">A metadata expression referring to the RevisionId of the document.</p></div><div class="content sourceset-dependent-content" data-togglable=":couchbase-lite:dokkaHtmlPartial/jvmCommonMain"><div class="symbol monospace"><span class="token keyword">actual </span><span class="token keyword"></span><span class="token keyword">val </span><a href="revision-i-d.html">revisionID</a><span class="token operator">: </span><a href="../-meta-expression/index.html">MetaExpression</a><span class="clearfix"><span cla