    # File lib/compass/sass_extensions/functions/gradient_support.rb, line 228
        def color_stops(*args)
          Sass::Script::List.new(args.map do |arg|
            case arg
            when ColorStop
              arg
            when Sass::Script::Color
              ColorStop.new(arg)
            when Sass::Script::List
              ColorStop.new(*arg.value)
            else
              raise Sass::SyntaxError, "Not a valid color stop: #{arg.class.name}: #{arg}"
            end
          end, :comma)
        end