Worked on improving the developer experience for the cognite-sdk-python repository by clarifying documentation related to Group, GroupCore, and GroupWrite classes. Focused on Python and documentation best practices, the work addressed mutual exclusivity constraints, ensuring that users understand capabilities and source_id cannot be used with members. This update did not alter runtime behavior but provided clearer guidance, reducing the risk of misuse and minimizing support requests. The approach demonstrated careful attention to detail in technical writing and a strong understanding of Python data models, contributing to more maintainable code and a smoother onboarding process for future developers and users.