Get the ClassLoader which loaded Spark.
(logging: StringAdd).self
(logging: StringFormat).self
(logging: ArrowAssoc[Logging]).x
(Since version 2.10.0) Use leftOfArrow
instead
(logging: Ensuring[Logging]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
Spark Logging is marked as DeveloperApi. This is a copy of it for compatibility.