040000 tree 8efc32a289514c3bb3d36c36bdc8138d93daca74	descriptors
040000 tree b10ad93d3b7eacfe82d510deee9dd4417ed93ab5	mappings
040000 tree ffa91dad17a06349846247cc875a36acf9d86988	queries
040000 tree f5010fede01957945592295ba57fc8e5922d3af2	sessions