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// SPDX-License-Identifier: MIT OR Apache-2.0 | |
pragma solidity ^0.8.4; | |
import "@openzeppelin/contracts/utils/Counters.sol"; | |
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; | |
import "@openzeppelin/contracts/security/ReentrancyGuard.sol"; | |
import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; | |
contract NFT is ERC721URIStorage { | |
using Counters for Counters.Counter; |
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/* | |
* Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
* Licensed under the Apache License, Version 2.0 (the "License"). | |
* You may not use this file except in compliance with the License. | |
* A copy of the License is located at | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* or in the "license" file accompanying this file. This file is distributed | |
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | |
* express or implied. See the License for the specific language governing |