CardinalityZeroZeroDeriv
case class CardinalityZeroZeroDeriv[A](x: A, e: Rbe[A], d: Rbe[A])(implicit evidence$5: Show[A]) extends RbeError
class RbeError
trait Product
trait Equals
trait NoStackTrace
class Exception
class Throwable
trait Serializable
class Object
trait Matchable
class Any