Worked on the operaton/operaton repository, focusing on enhancing code maintainability through targeted refactoring. Addressed the collection handling in OperatonListImpl by extracting an anonymous Collection implementation into a dedicated private inner class, ModelElementCollection. This change preserved the existing getValues() behavior while improving the clarity and future maintainability of the codebase. The approach emphasized object-oriented design principles and careful refactoring, reducing the risk of future technical debt. Utilized Java as the primary language, applying expertise in Java development and object-oriented design. No critical bugs were addressed during this period, maintaining a stable baseline while prioritizing long-term code quality improvements.