    # File lib/chef/rest.rb, line 43
        def initialize(url, client_name=Chef::Config[:node_name], signing_key_filename=Chef::Config[:client_key], options={})
          @url = url
          @cookies = CookieJar.instance
          @default_headers = options[:headers] || {}
          @auth_credentials = AuthCredentials.new(client_name, signing_key_filename)
          @sign_on_redirect, @sign_request = true, true
          @redirects_followed = 0
          @redirect_limit = 10
        end