diff --git a/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java b/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java
index 15d5c4f..a8954b4 100644
--- a/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java
+++ b/src/main/java/com/r35157/nenjim/kicker/impl/ref/NenjimProcessImpl.java
@@ -3,6 +3,7 @@ package com.r35157.nenjim.kicker.impl.ref;
 import com.r35157.nenjim.hubd.Context;
 import com.r35157.nenjim.hubd.NenjimHub;
 import com.r35157.nenjim.kicker.NenjimProcess;
+import org.jetbrains.annotations.NotNull;
 
 public class NenjimProcessImpl implements NenjimProcess {
     @Override
@@ -10,15 +11,15 @@ public class NenjimProcessImpl implements NenjimProcess {
     }
 
     @Override
-    public void setContext(Context context) {
+    public void setContext(@NotNull Context context) {
     }
 
     @Override
-    public void setHub(NenjimHub nenjimHub) {
+    public void setHub(@NotNull NenjimHub nenjimHub) {
     }
 
     @Override
-    public String getName() {
+    public @NotNull String getName() {
         return "";
     }
 }