diff --git a/common/protocol/raw/request.go b/common/protocol/raw/request.go
new file mode 100644
index 000000000..364b42d60
--- /dev/null
+++ b/common/protocol/raw/request.go
@@ -0,0 +1,13 @@
+package raw
+
+type RequestEncoder struct {
+}
+
+type RequestDecoder struct {
+}
+
+type ResponseEncoder struct {
+}
+
+type ResponseDecoder struct {
+}