040000 tree 2d755eac626b60b2c347c5fed5656a9d73136f6b	descriptors
040000 tree b10ad93d3b7eacfe82d510deee9dd4417ed93ab5	mappings
040000 tree b6e4c1f409a4a896898c930a89c263c5964d3c8d	queries
040000 tree c6988219d3db5c2460e4aefb5fe779e205d192c9	sessions