// SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.20; import {LiquidityMath} from "../libraries/LiquidityMath.sol"; contract LiquidityMathTest { function addDelta(uint128 x, int128 y) external pure returns (uint128 z) { return LiquidityMath.addDelta(x, y); } }