040000 tree 8395d8023e41be9355a76a0663a74eeee4286156	dir1
040000 tree e60c90fb8ff4d11985cf97dbaa6ced909de6250f	dir2
100644 blob b324dbef75062ea30ef58612cdad6dc3c80fb77d	interface3a.C
100644 blob cbf1ba801bfd2f0e39810fb87b6a609c58db9ee0	interface3a2.cc
100644 blob 03f7532094f4badfbc07d32b1e50bf1103b04f05	interface3b.C
100644 blob f532adc741c2ae9087664bf232d1e5409bad4bc1	interface3b2.cc