// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFxERC721 { function fxManager() external returns(address); function connectedToken() external returns(address); function initialize(address _fxManager, address _connectedToken, string memory _name, string memory _symbol) external; function mint(address user, uint256 tokenId, bytes memory _data) external; function burn(uint256 tokenId) external; }