# File lib/couchrest/model/properties.rb, line 154
      def extract_callstack_for_multiparameter_attributes(pairs)
        attributes = { }

        pairs.each do |pair|
          multiparameter_name, value = pair
          attribute_name = multiparameter_name.split("(").first
          attributes[attribute_name] = {} unless attributes.include?(attribute_name)
          attributes[attribute_name][find_parameter_name(multiparameter_name)] ||= value
        end
        attributes
      end