Mutations.

jpmorganchase · Jan 13, 2025 · 8e16938 · 8e16938
1 parent 0ae38a5
commit 8e16938
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/main/java/io/github/jpmorganchase/fusion/model/VarArgsHelper.java b/src/main/java/io/github/jpmorganchase/fusion/model/VarArgsHelper.java
@@ -27,12 +27,13 @@ public static Map<String, Object> initializeMap() {
     }
 
     public static Set<String> getFieldNames(Set<String> exclusions, Class<?> resourceClass) {
+        Set<String> mutated = new HashSet<>(exclusions);
         if (null != resourceClass) {
-            exclusions.addAll(Arrays.stream(resourceClass.getDeclaredFields())
+            mutated.addAll(Arrays.stream(resourceClass.getDeclaredFields())
                     .map(Field::getName)
                     .filter(n -> !"this$0".equals(n))
                     .collect(Collectors.toSet()));
         }
-        return exclusions;
+        return mutated;
     }
 }