# File lib/ethon/curls/options.rb, line 198
      def self.option_type(type)
        cname = FOPTION_STRINGS[type]
        const_set(cname, {})
        define_method(OPTION_STRINGS[type]) do |rt|
          return Ethon::Curls::Options.const_get(cname).map { |k, v| [k, v[:opt]] } if rt == :enum
          Ethon::Curls::Options.const_get(cname)
        end
      end