diff --git a/opcua/client.go b/opcua/client.go
new file mode 100644
index 0000000..f71e3f1
--- /dev/null
+++ b/opcua/client.go
@@ -0,0 +1,12 @@
+package opcua
+
+type ClientConfig struct {
+}
+
+type Client struct {
+}
+
+func NewClient(config *ClientConfig) *Client {
+	client := &Client{}
+	return client
+}
diff --git a/opcua/server.go b/opcua/server.go
new file mode 100644
index 0000000..d6555ba
--- /dev/null
+++ b/opcua/server.go
@@ -0,0 +1,12 @@
+package opcua
+
+type ServerConfig struct {
+}
+
+type Server struct {
+}
+
+func NewServer(config *ServerConfig) *Server {
+	server := &Server{}
+	return server
+}