100644 blob 4f08b1bd33c65596ed107f0a3a0b85fecff24f37	DeviceNull.cpp
100644 blob be1c6135b44a35a5fa36a8301b91875a86bd7481	DeviceNull.h
100644 blob a48dcdccc4e9dbfca755a64123ea1204da6e0c32	NullBackend.cpp