          __(key) {
            self.apos.util.warnDevOnce('old-i18n-req-helper', stripIndent`
              The req.__() and res.__() functions are deprecated and do not localize in A3.
              Use req.t instead.
            `);
            return key;
          }
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."