address newVesting = address(
    new SecondSwap_StepVesting(
        msg.sender,
        manager,
        IERC20(tokenAddress),
        startTime,
        endTime,
        steps,
        address(this)
    )
);
function setTokenOwner(address token, address _owner) external onlyAdmin {
    require(
        _tokenOwner[_owner] == address(0),
        "SS_VestingDeployer: Existing token have owner"
    );
    _tokenOwner[_owner] = token;
}
require(
    _tokenOwner[msg.sender] ==
        address(SecondSwap_StepVesting(_stepVesting).token()),
    "SS_VestingDeployer: caller is not the token owner"
);
if (!_isInternal) {
    token.safeTransferFrom(tokenIssuer, address(this), _totalAmount);
}
function transferVesting(
    address _grantor,
    address _beneficiary,
    uint256 _amount,
    address _stepVesting,
    string memory _transactionId
) external {
    require(
        _tokenOwner[msg.sender] ==
            address(SecondSwap_StepVesting(_stepVesting).token()),
        "SS_VestingDeployer: caller is not the token owner"
    );
