Shang worked on the apache/thrift repository, focusing on enhancing type safety in the result-processing path. During this period, Shang refactored the ProcessFunction::getResult method to return a concrete _result type instead of a generic TBase, addressing potential runtime type errors and improving code reliability. This change, implemented in Java using object-oriented programming principles, increased code clarity and maintainability by making type expectations explicit. Although the scope was limited to a single feature, the work laid a stronger foundation for future extensions and safer client-server interactions, demonstrating careful attention to long-term code quality and contributor onboarding within the codebase.