# File lib/mini_profiler/client_settings.rb, line 15
      def initialize(env)
        request = ::Rack::Request.new(env)
        @cookie = request.cookies[COOKIE_NAME]
        if @cookie
          @cookie.split(",").map{|pair| pair.split("=")}.each do |k,v|
            @orig_disable_profiling = @disable_profiling = (v=='t') if k == "dp"
            @backtrace_level = v.to_i if k == "bt"
          end
        end

        @backtrace_level = nil if !@backtrace_level.nil? && (@backtrace_level == 0 || @backtrace_level > BACKTRACE_NONE)
        @orig_backtrace_level = @backtrace_level

      end