- syntax = "proto2";
 
- import "test/cpp/util/messages.proto";
 
- package grpc.cpp.test.util;
 
- service TestService {
 
-   rpc Echo(EchoRequest) returns (EchoResponse);
 
-   rpc RequestStream(stream EchoRequest) returns (EchoResponse);
 
-   rpc ResponseStream(EchoRequest) returns (stream EchoResponse);
 
-   rpc BidiStream(stream EchoRequest) returns (stream EchoResponse);
 
-   rpc Unimplemented(EchoRequest) returns (EchoResponse);
 
- }
 
 
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