040000 tree 9721c7b44742790b07ae5b8c9622c51d31f0be9f	example_dags
040000 tree 336992af0f20fdec53c8f4b22d3295184caeaf77	hooks
040000 tree 331c057fcf138e035b222892617bcaaa2bd805ec	operators
040000 tree 65a65182592f7bc6f8330ddff071425e9e092cc7	transfers