class RuboCop::Options

def add_cop_selection_csv_option(option, opts)
  option(opts, "--#{option} [COP1,COP2,...]") do |list|
    @options[:"#{option}"] =
      if list.empty?
        ['']
      else
        list.split(',').map do |c|
          Cop::Cop.qualified_cop_name(c, "--#{option} option")
        end
      end
  end
end