versioned serializers in scala

foo.scala

case class Foo( bar: Bar )
case class Bar( bar: Baz )
case class Baz( bar: Booyah )
case class Booyah( i: Int, s: String )

object V1Serializers{
  implicit def FormatFoo[Foo] = ...
  implicit def FormatBar[Bar] = ...
  implicit def FormatBaz[Baz] = ...
  implicit def FormatBooyah[Booyah] = ...
}

object V2Serializers{
  implicit def FormatFoo[Foo] = ...
  implicit def FormatBar[Bar] = ...
  implicit def FormatBaz[Baz] = ...
  implicit def FormatBooyah[Booyah] = ...
}

def serialize[T: Foo]( foo: Foo ): Json = ...

def sendToV1Server( foo: Foo, send: Json => () ) = {
  import V1Serializers.FormatFoo
  send( serialize( foo ) )
}

def sendToV2Server( foo: Foo, send: Json => () ) = {
  import V2Serializers.FormatFoo
  send( serialize( foo ) )
}