100644 blob 12a88e8428b2c3dda9912d227548de38faee4204	element.dart
100644 blob 69d76ade94cb4e49b1b073584c51c9f07f9e5dc4	type.dart
100644 blob dac2d23a7eee25191c1d1d77dae2a8abddac7d32	visitor.dart