# File lib/new_relic/agent/parameter_filtering.rb, line 22
      def filter_rack_file_data(env, params)
        content_type = env["CONTENT_TYPE"]
        multipart = content_type && content_type.start_with?("multipart")

        params.inject({}) do |memo, (k,v)|
          if multipart && v.is_a?(Hash) && v[:tempfile]
            memo[k] = "[FILE]"
          else
            memo[k] = v
          end
          memo
        end
      end