// SPDX-License-Identifier: UNLICENSED pragma solidity =0.7.6; import "../libraries/CallbackValidation.sol"; contract TestCallbackValidation { function verifyCallback( address factory, address tokenA, address tokenB, uint24 fee ) external view returns (IElixirPool pool) { return CallbackValidation.verifyCallback(factory, tokenA, tokenB, fee); } }