Bar.type, underlying =  <: scala.runtime.AbstractFunction1[Int,Bar] with Serializable{case def unapply(x$0: Bar): Option[Int]} with Singleton
Bar, underlying =  <: Product with Serializable{val x: Int; def copy(x: Int): Bar; def copy$default$1: Int}
Product with Serializable, underlying = Product with Serializable
Bar.type, underlying =  <: scala.runtime.AbstractFunction1[Int,Bar] with Serializable{case def unapply(x$0: Bar): Option[Int]} with Singleton
Bar, underlying =  <: Product with Serializable{val x: Int; def copy(x: Int): Bar; def copy$default$1: Int}
Product with Serializable, underlying = Product with Serializable