         
         return taskCompletion
     }
-}
+
+}
            networkService.enqueueNetworkRequest(authenticationTask)
        }
    }
    
    
    func refreshTokenResponseHandler(initialNetworkRequest: NetworkRequest) -> JSONResponseCompletion {
        

        
        let refreshTokenURL = self.delegate!.authenticatedNetworkServiceURLForAuthentication(self)
        
        if let request = NSURLRequest.POSTRequestJSON(refreshTokenURL, bodyParameters: refreshTokenParameters) {
        
            let taskCompletion = refreshTokenResponseHandler(networkRequest)

