Developed and delivered JsonRawSchema support for the Gemini API within the langchain4j/langchain4j repository, enabling the API to accept and process raw JSON schemas directly. This enhancement improved response format flexibility and allowed downstream consumers to work with arbitrary schemas without transformation. The work involved updating schema mapping logic, extending the request builder, and implementing integration tests to ensure robust handling of both raw and structured schemas. Leveraging Java for API development and integration testing, the developer focused on code quality and collaboration, providing clear pull requests and comprehensive test coverage to enhance API reliability and interoperability for diverse schema requirements.