if (state.hasPendingExpiredBatch()) {
  uint256 expiry = state.pendingWithdrawalExpiry;
  // Interest accrual only if time has passed since last update.
  // This condition is only false when withdrawalBatchDuration is 0.
  if (expiry != state.lastInterestAccruedTimestamp) {
    (uint256 baseInterestRay, uint256 delinquencyFeeRay, uint256 protocolFee) = state
      .updateScaleFactorAndFees(
        protocolFeeBips,
        delinquencyFeeBips,
        delinquencyGracePeriod,
        expiry
      );
    emit ScaleFactorUpdated(state.scaleFactor, baseInterestRay, delinquencyFeeRay, protocolFee);
  }
  _processExpiredWithdrawalBatch(state);
}
