# File lib/gherkin/formatter/pretty_formatter.rb, line 143
      def format(key)
        if @formats.nil?
          if @monochrome
            @formats = Hash.new(MonochromeFormat.new)
          else
            @formats = Hash.new do |formats, status|
              formats[status] = ColorFormat.new(status)
            end
          end
        end
        @formats[key]
      end