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import scala.collection._
trait SeqViewLike[+A,
+Coll,
+This <: SeqView[A, Coll] with SeqViewLike[A, Coll, Nothing]]
extends Seq[A] with GenSeqViewLike[A, Coll, Nothing]
{
trait Transformed[+B] extends super[GenSeqViewLike].Transformed[B]
abstract class AbstractTransformed[+B] extends Seq[B] with Transformed[B] {
def underlying: Coll = error("")
}
trait Reversed extends Transformed[A] with super[GenSeqViewLike].Reversed
protected def newReversed: Transformed[A] = new AbstractTransformed[A] with Reversed
}
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