function liquidatePosition(address owner, uint256 repayAmount) external whenNotPaused {
    // ... (validation and state loading)
    if (_isCollateralized(calcTotalDebt(debtData), wmul(position.collateral, spotPrice_), config.liquidationRatio))
        revert CDPVault__liquidatePosition_notUnsafe();
    // ... (liquidation calculations)
    position = _modifyPosition(owner, position, newDebt, newCumulativeIndex, -toInt256(takeCollateral), totalDebt);
    // ... (state updates and transfers)
}
