Worked on improving TypeScript developer experience in the axios repository by addressing a specific type compatibility issue. Focused on exporting the RawAxiosHeaders interface to resolve the TS2742 error encountered by downstream TypeScript consumers, this contribution enhanced type safety and predictability for projects integrating axios. The technical approach involved precise adjustments to type definitions, ensuring that TypeScript projects could more reliably interact with axios headers. Utilizing TypeScript and a strong understanding of type definitions, the work targeted a single bug fix rather than feature development, demonstrating attention to detail and a commitment to smoother integration for the TypeScript ecosystem.