// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.28;

/// @notice Minimal interface of a Uniswap-v2-compatible pair.
/// @dev Declared here, not imported from contracts/pools: importing that GPL-3.0 tree would
///      relicense this artifact. An interface declaration is not a derivative work.
///      The same interface serves our own pools and external ones — the router cannot tell
///      them apart, which is the point.
interface IUniswapV2Pair {
    function getReserves()
        external
        view
        returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data) external;
}