The information "inside" a receipt once it has been stored inside RoomReceipts - what eventId it refers to, its type, and the raw receipt data.
Does not contain userId or threadId since these are stored as keys of the maps in RoomReceipts.
Convert to a CachedReceipt for the per-event reverse index.
Convert to a WrappedReceipt for the public API.
The information "inside" a receipt once it has been stored inside RoomReceipts - what eventId it refers to, its type, and the raw receipt data.
Does not contain userId or threadId since these are stored as keys of the maps in RoomReceipts.