I went back into some of the temp files being written out and found a few items of interest perhaps.

index.dat contains several curious entries:

First line:
Client UrlCache MMF Ver 5.2 (the rest of the line is garbled)

Next was the I dug a bit into some of the other XML files that had more detail info. Info that actually has more than just empy type statements:

There were several files called simply "api[1].xml or api[2].xml and they contained entries such as:

     

Another entry in a different file (api[4].xml):