040000 tree 7ca829fb298ca496715a4c27500971b0f5f1b06e	descriptors
040000 tree 6cc6f03f02da6d75e655a88277eb311a50c42885	mappings
040000 tree d424f48cda135580c27195eaf8c8521bb65d0549	queries
040000 tree f5010fede01957945592295ba57fc8e5922d3af2	sessions