--- utils/structs/DoubleEndedQueue.sol 2023-08-09 11:45:05 +++ utils/structs/DoubleEndedQueue.sol 2023-08-10 23:15:17 @@ -1,6 +1,6 @@ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/DoubleEndedQueue.sol) -pragma solidity ^0.8.20; +pragma solidity ^0.8.19; /** * @dev A sequence of items with the ability to efficiently push and pop items (i.e. insert and remove) on both ends of