(authConfFactory: StringAdd).self
(authConfFactory: StringFormat).self
(authConfFactory: ArrowAssoc[AuthConfFactory]).x
(Since version 2.10.0) Use leftOfArrow
instead
(authConfFactory: Ensuring[AuthConfFactory]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Obtains authentication configuration by reading
SparkConf
object.