/**
* Callback for replication pause state changed.
*
* @param pauseReason Pause reason or {@code null} if replication is not paused.
*/
public void onPauseStateChanged(@Nullable GridDrPauseReason pauseReason) {
drSndMetrics.onPauseStateChanged(pauseReason);
if (delegate != null) delegate.onPauseStateChanged(pauseReason);
}
