ReadonlyhandleHandles /scan, /import, and the scan: prefix callback.
ReadonlyhandleHandles the scan_all callback.
ReadonlyhandleHandles /status.
ReadonlyhandleHandles /logs (optionally with a count arg).
ReadonlyhandleHandles /watch.
ReadonlyhandleHandles /check_config.
ReadonlyhandleHandles /preview.
ReadonlyhandleHandles /help and /start.
ReadonlyhandleHandles /retry.
ReadonlyhandleHandles /import_receipt.
Bundle of stateful handlers bound on the TelegramCommandHandler instance.