# File lib/stella/report.rb, line 256
      def request_header name=nil
        @request_headers_hash ||= {}
        if @request_headers_hash.empty? && @request_headers
          @request_headers_hash = parse(@request_headers)
        end
        name.nil? ? @request_headers_hash : @request_headers_hash[name.to_s.upcase]
      end