/** * 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); }