100644 blob a03c53d1321c3f2f49efdc3bb43dca5d1f5254ae	mem_backend_impl.cc
100644 blob f79ef33207a5f2418a0407907b9fc55c34cebc9d	mem_backend_impl.h
100644 blob d329623eeff51aa5efd315ba7774c9170fcb6cbd	mem_entry_impl.cc
100644 blob 71eda2726953c4f1c2a1f701e1daabc1415d7344	mem_entry_impl.h