Worked on the spring-projects/spring-ai repository to refine streaming response handling by introducing a new utility class, AdvisedResponseStreamUtils. This addition centralized the onFinishReason logic, reducing code duplication and simplifying the response streaming code paths. The developer refactored existing Java code to leverage this utility, focusing on maintainability and clarity. Comprehensive unit tests were implemented to validate the new utility’s behavior and guard against regressions. The work emphasized API design, Java development, and refactoring, resulting in improved test coverage and easier future enhancements for response streaming features. All changes were clearly documented for traceability within the project’s commit history.