syntax="proto3";optioncsharp_namespace="ProxyGate";packagegreet;// The greeting service definition.serviceGreeter{// Sends a greetingrpcSayHello(HelloRequest)returns(HelloReply);}// The request message containing the user's name.messageHelloRequest{stringname=1;}// The response message containing the greetings.messageHelloReply{stringmessage=1;}