040000 tree 6d9d249d039debf997a7739115a94b02251e1d84	java
100644 blob 82f69657361c28cfbae8ffd3145cea792d5770dc	keep.txt
100644 blob 6a71f9ecc70440ed89cc0dcd3c10a8ce7affca27	keep_retrace.txt