Union of blob hashes referenced by every room log persisted under dataDir.
Enumerates FILES rather than asking the RoomManager, so rooms that are
persisted but not currently loaded are included. Throws on anything it
cannot read; see the module header.
Union of blob hashes referenced by every room log persisted under
dataDir.Enumerates FILES rather than asking the RoomManager, so rooms that are persisted but not currently loaded are included. Throws on anything it cannot read; see the module header.