Hyperthymesia seems to be more autobiographical, rather than a total recall of memory.

That wiki page goes on to explain an example of someone who could perfectly remember a specific day in their past, but were unable to recall what their interviewers were wearing after spending a day with them.

Don’t forget the kidnapping and holding against their will! Gotta make sure they have time to realize just how rich you are.

Personally, I’ve never downloaded documentation of a programming language, and certainly not any third party libraries.