040000 tree b0d87126d5a65bc7a63a7260af5472d359cdf107	interpreter
040000 tree 8d46f971f21702ed68d34b7b41b5d145ecf2a50a	spark-cluster-managers
040000 tree df5aa66973e14db5bfa3dce3bbcdf812e37626da	submarine
040000 tree 7f4de422d4b283f2fec6e3ff6017625cc87f3374	zeppelin