commit f7c72bd18ff5263acd490468e5c64a98e6db1bcf
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Mon Oct 24 13:31:08 2022 +0200

    Minor

diff --git a/src/main/java/org/distorted/library/main/InternalObject.java b/src/main/java/org/distorted/library/main/InternalObject.java
index bc29fe7..b399347 100644
--- a/src/main/java/org/distorted/library/main/InternalObject.java
+++ b/src/main/java/org/distorted/library/main/InternalObject.java
@@ -48,9 +48,9 @@ abstract class InternalObject
   static final int JOB_CREATE = 0;
   static final int JOB_DELETE = 1;
 
-  private long mID;
-  private int mType;
-  private int mStorage;
+  private final long mID;
+  private final int mType;
+  private final int mStorage;
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
diff --git a/src/main/java/org/distorted/library/main/InternalStackFrame.java b/src/main/java/org/distorted/library/main/InternalStackFrame.java
index 7a5e064..8addad1 100644
--- a/src/main/java/org/distorted/library/main/InternalStackFrame.java
+++ b/src/main/java/org/distorted/library/main/InternalStackFrame.java
@@ -77,7 +77,7 @@ public class InternalStackFrame
   private long mNextEffectID;                                     // Effect;
 
   //////////////////////////////////////////////////////////////////
-  private HashMap<ArrayList<Long>, InternalNodeData> mMapNodeID;  // InternalNodeData
+  private final HashMap<ArrayList<Long>, InternalNodeData> mMapNodeID;// InternalNodeData
   private long mNextNodeID;
 
   //////////////////////////////////////////////////////////////////