oken punctuation">(</span><span class="token punctuation">)</span><span class="token operator"> -&gt; </span><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html">Connection</a><span class="token punctuation">, </span></span><span class="parameter ">databaseConfig<span class="token operator">: </span><a href="../../../../exposed-core/org.jetbrains.exposed.v1.core/-database-config/index.html">DatabaseConfig</a><span class="token operator">?</span><span class="token operator"> = </span>