diff --git a/src/main/java/com/r35157/nenjim/hubd/NenjimHub.java b/src/main/java/com/r35157/nenjim/hubd/NenjimHub.java
new file mode 100644
index 0000000..24f4a84
--- /dev/null
+++ b/src/main/java/com/r35157/nenjim/hubd/NenjimHub.java
@@ -0,0 +1,9 @@
+package com.r35157.nenjim.hubd;
+
+public interface NenjimHub {
+    /**
+     * A no-operation (noop). This method is suppoted to do nothing.
+     */
+    void noop();
+}
+