040000 tree 53a29279d3c57735ba3e7a214bbb460927920e8a	explicit
040000 tree 15203f9fdd2913a07ca5ffd646dea1c5cb62a528	inferred
040000 tree 81062b8d098a1d34cf79c910580c0316c3857fff	load
040000 tree f53714e3f7d9afb1b5a6836025f8e0bbce75cf42	zero