in src/main/scala/com/googlesource/gerrit/plugins/support/commands/PluginsInfoCommand.scala [47:58]
private def listDir(dir: String): CommandResult = {
val jsonArray = new JsonArray()
sitePathsWrapper
.getAsPath(dir)
.toFile
.listFiles
.map(FileAttribute.from)
.map(gson.toJsonTree)
.foreach(jsonArray.add)
CommandResult(dir, JsonResult(jsonArray))
}