040000 tree 42302f53ec3675d5a939db2eb539a1064a1e0a54	animation
040000 tree 59b13ca90e85aa9173c313f14c96586db90bc2fa	cupertino
040000 tree dc76be4492cc7a015ec73ac1bb54f6333d385164	foundation
040000 tree 896f4c8f27fe28c73d7fb0f88e781e40febeb2c7	material
040000 tree 169bf9feba397b370a111272879d9185e2391a8d	painting
040000 tree 0aedc98168460fb53799ef9b89459cf325de73bf	rendering
040000 tree a55bf2a376a12fda90345f3bc088316737f1c317	widgets