040000 tree 8ef275385e291459a5291a35b7fc39b84168b632	build
040000 tree b42596cbc392282f51ce30ccf2dc1773b5fa7130	core
040000 tree 443bff84ed5d179cf5e2692586117c2fca037a8d	cpp
040000 tree 761ffb284e016358c354763f4773738e31d4c398	distrib