    function _onDecreaseLever(
        LeverParams memory leverParams,
        uint256 subCollateral
    ) internal override returns (uint256 tokenOut) {
@>      _onWithdraw(leverParams.vault, leverParams.position, address(0), subCollateral);

        if (leverParams.auxAction.args.length != 0) {
            bytes memory exitData = _delegateCall(
                address(poolAction), abi.encodeWithSelector(poolAction.exit.selector, leverParams.auxAction)
            );

@>          tokenOut = abi.decode(exitData, (uint256));
        }
    }
    function _onDecreaseLever(
        LeverParams memory leverParams,
        uint256 subCollateral
    ) internal override returns (uint256 tokenOut) {
        _onWithdraw(leverParams.vault, leverParams.position, address(0), subCollateral);

        if (leverParams.auxAction.args.length != 0) {
            bytes memory exitData = _delegateCall(
                address(poolAction), abi.encodeWithSelector(poolAction.exit.selector, leverParams.auxAction)
            );

            tokenOut = abi.decode(exitData, (uint256));
        }
    }
    function _onDecreaseLever(
        LeverParams memory leverParams,
        uint256 subCollateral
    ) internal override returns (uint256 tokenOut) {
        // withdraw collateral from vault
        uint256 withdrawnCollateral = ICDPVault(leverParams.vault).withdraw(address(this), subCollateral);

        // withdraw collateral from the ERC4626 vault and return underlying assets
@>       tokenOut = IERC4626(leverParams.collateralToken).redeem(withdrawnCollateral, address(this), address(this));

        if (leverParams.auxAction.args.length != 0) {
            bytes memory exitData = _delegateCall(
                address(poolAction),
                abi.encodeWithSelector(poolAction.exit.selector, leverParams.auxAction)
            );

            tokenOut = abi.decode(exitData, (uint256));
        }
    }
