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// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.19;
import {Ownable} from "openzeppelin/access/Ownable.sol";
import {ERC721A} from "ERC721A/ERC721A.sol";
import {IERC721} from "openzeppelin/token/ERC721/IERC721.sol";
import {IERC721Metadata} from "openzeppelin/token/ERC721/extensions/IERC721Metadata.sol";
import {IERC165} from "openzeppelin/utils/introspection/IERC165.sol";
import {MerkleProofLib} from "solmate/utils/MerkleProofLib.sol";
import "./IERC4906.sol";
import "./IMetadataRenderer.sol";
contract FunMint is ERC721A, IERC4906, Ownable {
    address public metadataRenderer;
    address public metadataUpdater;
    mapping(uint256 => bool) public mintedSpecialByTokenId;
    uint256 public mintEnd;
    bytes32 merkleRoot;
    bytes32 merkleRootSpecial;
    // Refund constants
    uint256 public constant REFUND_BASE_GAS = 30_000;
    uint256 public constant MAX_REFUND_GAS_USED = 200_000;
    uint256 public constant MAX_REFUND_BASE_FEE = 200 gwei;
    uint256 public constant MAX_REFUND_PRIORITY_FEE = 2 gwei;
    bool private _initialized;
    string private _name;
    string private _symbol;
    error InvalidTokenId();
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