ine-context/index.html">CoroutineContext</a><span class="token operator">?</span><span class="token operator"> = </span>null<span class="token punctuation">, </span></span><span class="parameter ">db<span class="token operator">: </span><a href="../org.jetbrains.exposed.v1.r2dbc/-r2dbc-database/index.html">R2dbcDatabase</a><span class="token operator">?</span><span class="token operator"> = </span>null<span class="token punctuation">, </span></span><span class="parameter ">transactionIsolation<span class="t