040000 tree 1fc3d96633cead2ce56b2c85b027d1d15ecd1aa3	core
040000 tree e565a560c1a3d89524a570a0bcebd07f493630ee	internal
040000 tree f377fa1c0087848fd1d9eb7ccd287c01a8d4d9e2	launching
040000 tree 205ff008a5bda2ce38aed5e3e0f019ae03ea45a7	libraries