Worked on the slackapi/java-slack-sdk repository to centralize Gson type adapter registration, introducing a new method within GsonFactory that unifies how adapters are registered across all Gson creation paths. This refactoring effort in Java focused on eliminating duplicated logic, improving code organization, and standardizing JSON parsing throughout the SDK. By consolidating adapter registration, the changes reduced the risk of serialization inconsistencies and made the codebase easier to maintain. The approach demonstrated thoughtful API design and a disciplined refactoring process, resulting in faster onboarding for contributors and more reliable JSON serialization and deserialization across the project’s modules. No bugs were fixed.