Worked on the apache/iceberg-cpp repository to deliver a foundational improvement in configuration safety by refactoring the instantiation process of ConfigBase-derived classes. Leveraging C++ and object-oriented programming principles, the developer enforced encapsulation through private constructors and static factory methods, ensuring that configuration objects are created in a controlled and centralized manner. This structural change enhanced the reliability and testability of the configuration lifecycle, reducing the risk of misconfiguration and simplifying future governance. The focus was on software design and maintainability, with no major bug fixes during the period, but the work laid groundwork for safer and more robust configuration management.