static retrieveByExternalId (req: express.Request, res: express.Response, next: express.NextFunction): void {
    // req.params isn't populated here https://github.com/expressjs/express/issues/2088
    const externalId: string = UUIDUtils.extractFrom(req.path)

    const user: User = res.locals.user
    claimStoreClient.retrieveByExternalId(externalId, user)
      .then((claim: Claim) => {
        res.locals.claim = claim
        next()
      })
      .catch(next)
  }

}, (req: express.Request, res: express.Response): void => {
  res.redirect(Paths.employmentPage.evaluateUri({ externalId: UUIDUtils.extractFrom(req.path) }))
})

 it('should return first UUID when many UUIDs are in place', () => {
   expect(UUIDUtils.extractFrom(`/case/${uuid}/claimant/28abbcc8-bd40-49d8-926a-e59fa62c5a2f`)).to.be.equal(uuid)
 })

 expect(() => UUIDUtils.extractFrom(undefined)).to.throw(Error, 'String to extract UUID from is required')