async fn get_backup_keys_for_session_handler(
state: State<ServerState>,
__arg1: AuthenticatedClientRequest<Request>,
) -> Result<ArminiusResponse<Response>, RoomKeysError>Expand description
Handler for GET /_matrix/client/v3/room_keys/keys/{roomId}/{sessionId}
(See https://spec.matrix.org/v1.18/client-server-api/#get_matrixclientv3room_keyskeysroomidsessionid).
Retrieve a key from a backup.