# File lib/active_resource_response/http_mock.rb, line 29
      def self.included(base)
        base.class_eval do
          def to_hash
            Hash[@headers.map{|k, value| [k, Array.wrap(value)] } ]
          end

          remove_method :[]
          def [](key)
            @headers[key]
          end
        end
      end