interface IUniswapV2Pair is IUniswapV2ERC20 {
    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    // event BurnETH(address indexed sender, uint amount0, uint amount1, address indexed to, address indexed to1);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);
    // event TreasurySet(address _address);

    // function setTreasuryAddress(address _address) external;

    // function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    // function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    // function burnETH(address to, address to1) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to) external;
    // function skim(address to) external;
    function sync() external;    
    function initialize(address, address, address) external;
}
function mint(address to) external returns (uint liquidity);

// function kLast() external view returns (uint);