function swapTokens(uint256 contractTokenBalance) private lockTheSwap {

        uint256 initialBalance = address(this).balance;
        swapTokensForEth(contractTokenBalance);
        uint256 transferredBalance = address(this).balance.sub(initialBalance);

        transferToAddressETH(teamDevAddress, transferredBalance.div(_liquidityFee).mul(splitDivisor));

    }