csharp/protos/extensions/extensions_b.proto

syntax = "proto3";

import "extensions_a.proto";

option csharp_namespace = "Google.Protobuf.TestProtos.Extensions";

// This file is used as part of a unit test for issue 6936
// We don't need to use it, we just have to import it in c

message Foo {
    option (opt) = "bar";
}