in client/src/main/scala/com.gu.contentapi.client/Parameters.scala [42:46]
def withValue(newValue: Option[String]) = copy(value = newValue)
def setIfUndefined(str: String) = if (owner.has(name)) owner else apply(str)
}
case class IntParameter(name: String, value: Option[Int] = None) extends OwnedParameter {