040000 tree 1e964da1ca872e436962ba1cfed1dd24c4b73fc6	general
040000 tree af0cdcb4464c9701f68e485e0d95e8b6e06a6344	hit-testing
040000 tree 23931a30bbd4856a97f1acf8eab020e045ba71c1	point-mapping