040000 tree 66b11037e8731fe84fa7da32e64527f20adc6848	Filter
040000 tree 16117ceac5ce94d9c3a496043bbde3cfa1b327dd	ParDo
100644 blob 93f7b5a076990062c9b09f53c16c606e1426d2d6	lesson-info.yaml
100644 blob c2a2789b39815fcfc7bbe38c048e34dff9c15ec4	lesson-remote-info.yaml