# File lib/countries/data.rb, line 26
      def register(data)
        alpha2 = data[:alpha2].upcase
        @@registered_data[alpha2] = \
          data.each_with_object({}) { |(k, v), a| a[k.to_s] = v }
        @@registered_data[alpha2]['translations'] = \
          Translations.new.merge(data[:translations] || {})
        @@cache = cache.merge(@@registered_data)
      end