syntax = "proto3"; package echo; option go_package = "github.com/go-kratos/kratos/cmd/protoc-gen-go-http/internal/testproto/echo;echo"; import "google/api/annotations.proto"; import "google/api/httpbody.proto"; import "google/protobuf/empty.proto"; service StreamService { rpc Download(google.protobuf.Empty) returns (stream google.api.HttpBody) { option (google.api.http) = { get : "/v1/example/download" }; } }