"""Timestamper — dummy stub (real implementation is in router).

Ported from net.i2p.time.Timestamper.
"""

from typing import Protocol


class UpdateListener(Protocol):
    """Interface to receive time update notifications."""

    def set_now(self, now: int, stratum: int) -> None: ...


class Timestamper:
    """Dummy timestamper. Real NTP sync is in RouterTimestamper."""

    def wait_for_initialization(self) -> None:
        pass

    def timestamp_now(self) -> None:
        pass

    def run(self) -> None:
        pass