CACHE_PROVIDER_GROUP  100 modules/cache/cache_util.c             provider = ap_lookup_provider(CACHE_PROVIDER_GROUP, ent[i].type,
CACHE_PROVIDER_GROUP 1180 modules/cache/mod_disk_cache.c     ap_register_provider(p, CACHE_PROVIDER_GROUP, "disk", "0",
CACHE_PROVIDER_GROUP  992 modules/cache/mod_mem_cache.c     ap_register_provider(p, CACHE_PROVIDER_GROUP, "mem", "0",
CACHE_PROVIDER_GROUP  994 modules/cache/mod_mem_cache.c     ap_register_provider(p, CACHE_PROVIDER_GROUP, "fd", "0",