in src/main/scala/com/gu/commercial/display/AdTargetParam.scala [205:212]
def from(item: Content): Option[ToneParam] = MultipleValues.fromTagsOfType(item, Tone) map (ToneParam(_))
def from(tag: Tag): Option[ToneParam] =
if (tag.`type` == Tone) MultipleValues.fromItemId(tag.id) map (ToneParam(_))
else None
}
case object UnknownParam extends AdTargetParam {