040000 tree 1758c407c9d948c10b17c43483d3d22f1f16c52e	codec
040000 tree 800f5613aaafc5381605de31cc36e866ea145642	common
040000 tree 5042702cc71d53f8c52d2a61ddb2debeb9017d9d	store
040000 tree a271632476c209c3f172d9e5fe29291999765329	utils