    function execute(
        address _to,
        uint256 _value,
        bytes calldata _data
    ) external returns (bool, bytes memory) {
        require(msg.sender == operator, "!auth");


        (bool success, bytes memory result) = _to.call{value: _value}(_data);
        require(success, "!success");


        return (success, result);
    }
    function withdraw(
        address _token,
        address _gauge,
        uint256 _amount
    ) public returns (bool) {
        require(msg.sender == operator, "!auth");
        uint256 _balance = IERC20(_token).balanceOf(address(this));
        if (_balance < _amount) {
            _amount = _withdrawSome(_gauge, _amount.sub(_balance));
            _amount = _amount.add(_balance);
        }
        IERC20(_token).safeTransfer(msg.sender, _amount);
        return true;
    }


    function withdrawAll(address _token, address _gauge) external returns (bool) {
        require(msg.sender == operator, "!auth");
        uint256 amount = balanceOfPool(_gauge).add(IERC20(_token).balanceOf(address(this)));
        withdraw(_token, _gauge, amount);
        return true;
    }
