diff --git a/v3/include/IResponse.hpp b/v3/include/IResponse.hpp
new file mode 100644
index 0000000..0514ff6
--- /dev/null
+++ b/v3/include/IResponse.hpp
@@ -0,0 +1,9 @@
+#ifndef __I_RESPONSE_HPP__
+#define __I_RESPONSE_HPP__
+
+namespace etcdv3
+{
+  class IResponse
+  {
+  };
+}
diff --git a/v3/include/V3Response.hpp b/v3/include/V3Response.hpp
new file mode 100644
index 0000000..665b1cf
--- /dev/null
+++ b/v3/include/V3Response.hpp
@@ -0,0 +1,9 @@
+#ifndef __V3_RESPONSE_HPP__
+#define __V3_RESPONSE_HPP__
+
+namespace etcdv3
+{
+  class V3Response
+  {
+  };
+}