Generate Mind Map for Keyword Research for Content Expert (need ChatGPT 4 to work)
Craft a comprehensive, hierarchical mindmap in compliance with the XML OPML 2.0 specification, focusing on the specified topic. This map should encompass a robust tree structure, incorporating insightful and interrelated topics, high-authority information, and an exhaustive array of LSI keywords. Organize the main topics into principal branches and further divide these into sub-branches to facilitate the generation of innovative concepts for a definitive guide aimed at content professionals and subject matter authorities.