100644 blob ca8b4adc9ca72fae360476bf7a78f6dbf2461287	device.dart
100644 blob 44543a8f41ec56b4bcbd6177ebeb47f5e34a6694	device_spec.dart
100644 blob 397453987d1b26e83ffeaeebe7c04fec5331189e	key_provider.dart