in src/main/scala/com/googlesource/gerrit/plugins/support/GerritSupportCommands.scala [34:41]
implicit def unwrapResultName(resultName: ResultName): String = resultName.value
// allows returning a pure Json result or a textual file content
case class CommandResult(entryName: ResultName, content: AnyResult)
trait AnyResult {
def getBytes: Array[Byte]
}