# File lib/vagrant-libvirt/config.rb, line 347
      def hyperv_feature(options = {})
        if options[:name].nil? || options[:state].nil?
          raise 'Feature name AND state must be specified'
        end

        @features_hyperv = [{name: options[:name], state: options[:state]}]  if @features_hyperv == UNSET_VALUE
      end