// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

import {IERC165Upgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC165Upgradeable.sol";
import {IERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC721Upgradeable.sol";

/// @title EIP-721 Metadata Update Extension
interface IERC4906 is IERC165Upgradeable, IERC721Upgradeable {
    /// @dev This event emits when the metadata of a token is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFT.
    event MetadataUpdate(uint256 _tokenId);

    /// @dev This event emits when the metadata of a range of tokens is changed.
    /// So that the third-party platforms such as NFT market could
    /// timely update the images and related attributes of the NFTs.
    event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId);
}