```\n    // Cut withdraw fee if it is in withdrawVaultFee Window (2 months)\n    if (\n        block.timestamp <\n        config.withdrawVaultFeeWindowStartTime() +\n            config.withdrawVaultFeeWindow()\n    ) {\n        uint256 fee = (withdrawAmount * config.withdrawVaultFee()) /\n            DENOMINATOR;\n        uToken.safeTransfer(config.treasury(), fee);\n        withdrawAmount -= fee;\n    }\n```\n