     else {
       return
     }
-    server = gRPC.Server(address: address,
-                         key: key,
-                         certs: certificate)
+    server = Server(address: address,
+                    key: key,
+                    certs: certificate)
   } else {
-    server = gRPC.Server(address: address)
+    server = Server(address: address)
   }
 
   // start the server

  }
}

func runServer(server: gRPC.Server) throws {
  var requestCount = 0
  let sem = DispatchSemaphore(value: 0)
  server.run { requestHandler in


func runClient(useSSL: Bool) throws {
  let message = clientText.data(using: .utf8)
  var channel: Channel!

  if useSSL {
    let certificateURL = URL(fileURLWithPath: "Tests/ssl.crt")
