# File lib/fog/identity/openstack/v3/requests/token_check.rb, line 6
          def token_check(subject_token)
            request(
              :expects => [200, 204],
              :method  => 'HEAD',
              :path    => "auth/tokens",
              :headers => {"X-Subject-Token" => subject_token, "X-Auth-Token" => auth_token,}
            )
          end