lib/toxy.js
function finalHandler (route) {
  var isFinalHandler = false
  route.use(function (req, res, next) {
    if (!isFinalHandler) {
      isFinalHandler = true
      useRouteFinalHandler(route)
    }
    next()
  })
}
function finalHandler (route) {
  var isFinalHandler = false
  route.use(function (req, res, next) {
    if (!isFinalHandler) {
      isFinalHandler = true
      useRouteFinalHandler(route)
    }
    next()
  })
}
Private helpers