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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity 0.8.17;
import "lib/openzeppelin-contracts/contracts/proxy/Proxy.sol";
import "lib/openzeppelin-contracts/contracts/proxy/ERC1967/ERC1967Upgrade.sol";
/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
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// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
import { Ownable2StepUpgradeable } from "lib/openzeppelin-contracts-upgradeable/contracts/access/Ownable2StepUpgradeable.sol";
import { UUPSUpgradeable } from "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/UUPSUpgradeable.sol";
import { Executor } from "./Executor.sol";
import "./lib/Constants.sol";
import {
    TakeAsk,
    TakeBid,
    TakeAskSingle,
    TakeBidSingle,
    Order,
    Exchange,
    Fees,
    FeeRate,
    AssetType,
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