User should define their own source like:
class MySource(path: String, dateRange: DateRange, requestedFields: Fields) extends DailySuffixParquetTuple(path, dateRange, requestedFields) with Mappable2[Int, Int] with TypedSink2[Int,Int]
Linear Supertypes
FileSource, LocalSourceOverride, SchemedSource, Source, Serializable, AnyRef, Any
User should define their own source like: class MySource(path: String, dateRange: DateRange, requestedFields: Fields) extends DailySuffixParquetTuple(path, dateRange, requestedFields) with Mappable2[Int, Int] with TypedSink2[Int,Int]