040000 tree ddd03beef4eec96b4b696aa0425896b189fd3e57	add-algorithm
040000 tree 0b47eb9b9a748d3d4c64a99397c50ec795d5df2a	dase
040000 tree 3a9c1622183e7f254a5dcf8447819480013e8dcc	how-to
040000 tree 275b86fd333e31baaa2532dde0b4daee94d262e1	quickstart
040000 tree 1bb88872a32cbbd1ff13c52a47003b86ddd4eda1	reading-custom-properties
040000 tree 8c8ac24ba89917ba75c2df5f26dd3c580bdffa67	transform-data