040000 tree 7700495421ab4646fd8c94aae37a05cc5225c05d	explicit
040000 tree 6d02be2a6cb1e3ab4881dbd96bee993f66a91b04	inferred
040000 tree d69e7f3d4fa2c12439390bc7ccd471af2ed25730	load
040000 tree 8128de3c8bbb2c7155cd9ae9b5c83d924a0bf1d9	zero