opentelemetry-java-instrumentation/dd-java-agent/instrumentation/grpc-1.5/src/test/proto/helloworld.proto

syntax = "proto3";

package example;

service Greeter {
  rpc SayHello (Request) returns (Response) {
  }

  rpc Conversation (stream Response) returns (stream Response) {
  }
}

message Request {
  string name = 1;
}

message Response {
  string message = 1;
}