```\nfunction \_swapLidoForWETH(uint256 amountToSwap) internal {\n    IUniswapSwapRouter.ExactInputSingleParams\n        memory params = IUniswapSwapRouter.ExactInputSingleParams({\n            tokenIn: address(ldo),\n            tokenOut: address(weth),\n            fee: UNISWAP\_FEE,\n            recipient: address(this),\n            deadline: block.timestamp,\n            amountIn: amountToSwap,\n            amountOutMinimum: 0,\n            sqrtPriceLimitX96: 0\n        });\n    uniswapRouter.exactInputSingle(params);\n}\n```\n