040000 tree d484811eca93224386a7c3c107638e619c1ba8ee	Window Accumulation Mode
100644 blob 8a260af023db2a9b421a1998c42d026e28a62167	lesson-info.yaml
100644 blob 9d9fa6580a7474ddad7983f034e52b609b0478f8	lesson-remote-info.yaml