040000 tree 6538320fb45a2d5ca7e8b922e42193b648ae2a9e	Filter
040000 tree 2ec2bc06d882bd242097ee3c316ec9d01fae234f	ParDo
100644 blob 93f7b5a076990062c9b09f53c16c606e1426d2d6	lesson-info.yaml
100644 blob 96fc4c36c372e32c134f5c8ff523aa0f94ed3580	lesson-remote-info.yaml