class Cucumber::Cli::Configuration

def arrange_formats
  @options[:formats] << ['pretty', {}, @out_stream] if @options[:formats].empty?
  @options[:formats] = @options[:formats].sort_by do |f|
    f[2] == @out_stream ? -1 : 1
  end
  @options[:formats].uniq!
  @options.check_formatter_stream_conflicts()
end