final case classHdfsConfig(sparkConf: SparkConf, hdfsUriStr: slamdata.Predef.String, prefix: ADir, s3: slamdata.Predef.Option[S3Info]) extends Product with Serializable
final case classS3Info(accessKey: slamdata.Predef.String, securityKey: slamdata.Predef.String, region: slamdata.Predef.String) extends Product with Serializable