100644 blob a11b304e3d98847ee8955868261c834df0d2b1ea	a.proto
040000 tree fe2200e42f0a375deb36934aa041eb0f5074f8b1	a
100644 blob 530bd941ab334e03e836b28e0109ebf12397e870	b.proto
040000 tree b527f74880bcd09a6c64a312c00880365d6b994d	b