function _permitPositionManagerApproval(
    IBorrowerOperations borrowerOperations,
    PositionManagerPermit memory _positionManagerPermit
) internal {
    try
        borrowerOperations.permitPositionManagerApproval(
            msg.sender,
            address(this),
            IPositionManagers.PositionManagerApproval.OneTime,
            _positionManagerPermit.deadline,
            _positionManagerPermit.v,
            _positionManagerPermit.r,
            _positionManagerPermit.s
        )
    {} catch {
        /// @notice adding try...catch around to mitigate potential permit front-running
        /// see: https://www.trust-security.xyz/post/permission-denied
    }
}
function _adjustCdpOperation(
    bytes32 _cdpId,
    FlashLoanType _flType,
    uint256 _flAmount,
    AdjustCdpOperation memory _cdp,
    uint256 debt,
    uint256 coll,
    TradeData calldata _tradeData
) internal {
    // ... operation logic ...

    _sweepEbtc();
    // sweepStEth happens outside of this call
    // No revocation of position manager permit
}
