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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity ^0.8.20;
import {Proxy} from "../Proxy.sol";
import {ERC1967Utils} from "./ERC1967Utils.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 {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `implementation`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `implementation`. This will typically be an
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// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.8.0 <0.9.0;
import { PufferVault } from "./PufferVault.sol";
import { IStETH } from "./interface/Lido/IStETH.sol";
import { ILidoWithdrawalQueue } from "./interface/Lido/ILidoWithdrawalQueue.sol";
import { IEigenLayer } from "./interface/EigenLayer/IEigenLayer.sol";
import { IStrategy } from "./interface/EigenLayer/IStrategy.sol";
import { IDelegationManager } from "./interface/EigenLayer/IDelegationManager.sol";
import { IWETH } from "./interface/Other/IWETH.sol";
import { IPufferVaultV2 } from "./interface/IPufferVaultV2.sol";
import { IPufferOracle } from "./interface/IPufferOracle.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { EnumerableMap } from "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";
import { Math } from "@openzeppelin/contracts/utils/math/Math.sol";
import { IERC20 } from "openzeppelin/token/ERC20/IERC20.sol";
import { EnumerableSet } from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
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