040000 tree a4c3847c64f385ce21a6c76b9f805c5bcd84ce5e	algorithms
040000 tree e47b8645e24a19e80a1d6a805b9296bb97fb2e76	metrics
100644 blob dc54d9bd9128854e11cfc24828d69a9b0bdcdb17	package-info.java