040000 tree 2f12c3d0c8afec0b6ef42cb7ca717e35f5aeebba	example_dags
040000 tree bec19007509db892279a74bea65ab33036783b4f	hooks
040000 tree b014940f57e27216b31860cea1ef61ba517e52c3	operators
040000 tree c18f42b4242621da5ef9cfffabfbe92f4004dc53	transfers