fix: prevent StackOverflowError in CollectionHelper #734
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…ular references Add cycle detection using IdentityHashMap to track already-copied objects during recursive deep copy. When a circular reference is encountered, the previously created copy is returned instead of recursing infinitely.
- Add @SuppressWarnings("PMD.GodClass") to CollectionHelper (utility class, false positive consistent with 8 existing suppressions) - Fix EntityModelLoaderTest.getCSNModelTest for Vert.x 5: replace .compose() with nested onComplete and use semantic service name comparison instead of object equality on independently-parsed CdsModel instances - Add cycle detection test for Set deep copy path
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circular references
Add cycle detection using IdentityHashMap to track already-copied objects during recursive deep copy. When a circular reference is encountered, the previously created copy is returned instead of recursing infinitely.