040000 tree 980cf737df0bcb28793cb99b545a23d4e48db94d	java-lgpl
040000 tree da37d0418fdc146faa12ac37a9030d0feafa6be3	java
040000 tree e8ebdf01195c0022600336943479ced3c8cd69a3	scala
040000 tree a7f67edc2592a98edfc4eb1725ddac3657ae516c	spark