040000 tree 199dfeffabccdef3b83ef9ef39e57ba1b9409cb6	addons
040000 tree a5ab0eb5e588bf2c21204deb0ca865962306e493	cde
040000 tree ff5615eb7e046cc64ff6bb722d6fb31845bd7129	check
040000 tree 939b81fef3e876f79581d25905064be297808c47	explain
040000 tree e028f1cdf28543370c2c62c5aa5194b3a8883872	query
040000 tree 1dea6ab340c114f791d6dfc040142675201f9df5	searchStrategy
040000 tree f643a1da72536192795da6d6938e9f5176812aea	statistics
040000 tree ae981f9820678c3e7cb174d579a5bdf2f427180a	testing
040000 tree e2f13ae57235d6f22bc9e3a1c077ee749c08c981	utils