040000 tree a9c4431bf34fde32cde8befb06f94b4dbd356d44	debian8_clang
040000 tree 362ad06376c5ed447217ac08a1958416f7b77f51	experimental
040000 tree 247c49b8ef0957e67e09002e0bc7ae48a5c3b9fe	java
040000 tree 23f675462beb2839a1fabdb7fc8da061c69891e8	ubuntu16_04_clang