From f1e99a46693da07eb189978af1b9832a6a954a4a Mon Sep 17 00:00:00 2001
From: ChUrl <tobi@urpost.de>
Date: Sun, 31 Jan 2021 18:14:01 +0100
Subject: [PATCH] cleanup

---
 src/main/java/codegen/flowgraph/FlowGraphGenerator.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/codegen/flowgraph/FlowGraphGenerator.java b/src/main/java/codegen/flowgraph/FlowGraphGenerator.java
index 7784417..b270a60 100644
--- a/src/main/java/codegen/flowgraph/FlowGraphGenerator.java
+++ b/src/main/java/codegen/flowgraph/FlowGraphGenerator.java
@@ -407,6 +407,6 @@ public final class FlowGraphGenerator {
     // Getters, Setters
 
     public Map<String, Integer> getVarMap() {
-        return this.varMap;
+        return Collections.unmodifiableMap(this.varMap);
     }
 }