<a href="https://www.scala-lang.org/api/2.13.8/scala/Option.html#scala.Option" name="scala.Option" id="scala.Option" class="extype">Option</a>[<a href="https://circe.github.io/circe/api/io/circe/Json.html#io.circe.Json" name="io.circe.Json" id="io.circe.Json" class="extype">Json</a>]</span>)</span><span class="params">(<span class="implicit">implicit </span><span name="arg0">arg0: <a href="https://circe.github.io/circe/api/io/circe/Decoder.html#io.circe.Decoder" name="io.circe.Decoder" id="io.circe.Decoder"