def has_ref?(json_object)
      if json_object["_ref"].nil?
        return false
      end
      if @wsapi_version =~ /^v2/
        return true if json_object["_ref"] =~ /^https:\/\/\S*(\/slm\/webservice)\S*$/
      else
        return true if json_object["_ref"] =~ /^https:\/\/\S*(\/slm\/webservice)\S*.js$/
      end
      false
    end
def has_ref?(json_object)
      if json_object["_ref"].nil?
        return false
      end
      if @wsapi_version =~ /^v2/
        return true if json_object["_ref"] =~ /^https:\/\/\S*(\/slm\/webservice)\S*$/
      else
        return true if json_object["_ref"] =~ /^https:\/\/\S*(\/slm\/webservice)\S*.js$/
      end
      false
    end
ref should be like https://rally1.rallydev.com/slm/webservice/v2.0/defect/12345