100644 blob c07b0ca6dc3cbdd2c2bba8d77b0701c27bbfeb7a	DeviceNull.cpp
100644 blob 010d9d1a7b3bbe0a1bd551a67d6a9fdeb86d7f1b	DeviceNull.h
100644 blob a48dcdccc4e9dbfca755a64123ea1204da6e0c32	NullBackend.cpp