040000 tree 7d92e8dbc21775d85deb390af03b4d43da5464c9	common
040000 tree 3801e979e4be6d939f4cf2937fe2b3011bd5e2bd	cs
040000 tree 75510efed2b166fba169157101cbceddf79e81fb	java
040000 tree 9c3f08d4148929ec78f3a717f0b3a930a4f3dba7	scala