grpc/examples/greeter_v2.fbs

namespace models;

table HelloResponse {
  message:string;
}

table HelloRequest {
  name:string;
}

rpc_service Greeter {
  Get(HelloRequest):HelloResponse;
  Collect(HelloRequest):HelloResponse (streaming: "client");
  Expand(HelloRequest):HelloResponse (streaming: "server");
  Update(HelloRequest):HelloResponse (streaming: "bidi");
}