def raw
      raise ModelNotAvailableAsRawError, model unless model.exposable_as_raw?

      self.class.new(model: model, api: api, constraints: constraints.merge(accept: model.raw_mime_type))
    end
def raw
      raise ModelNotAvailableAsRawError, model unless model.exposable_as_raw?

      self.class.new(model: model, api: api, constraints: constraints.merge(accept: model.raw_mime_type))
    end
The collection now returns a string representation of the model in a particular mime type instead of
 Model objects
 @return [Collection<String>]