syntax = "proto3"; import "grpc_build/request/helloworld.proto"; import "grpc_build/response/helloworld.proto"; package grpc_build.client.helloworld; // The greeting service definition. service Greeter { // Sends a greeting rpc SayHello (grpc_build.request.helloworld.HelloRequest) returns (grpc_build.response.helloworld.HelloReply) {} }