function balanceOf(address owner) view returns (uint256)

function balanceOf(uint256 userId) view returns (uint256 amount)

function factoryProxy() view returns (address)

function fee() view returns (uint256)

function getApproved(uint256 tokenId) view returns (address)

function getFeeData() view returns (uint256 tokenFee, address treasuryAddress)

function isApprovedForAll(address owner, address operator) view returns (bool)

function locked() view returns (bool)

function locked(uint256 tokenId) view returns (bool)

function maxSupply() view returns (uint256)

function mintableAmountPerUser() view returns (uint256)

function name() view returns (string)

function owner() view returns (address)

function ownerOf(uint256 tokenId) view returns (address)

function SIGNATURE_VALIDITY() view returns (uint256)

function supportsInterface(bytes4 interfaceId) view returns (bool)

function symbol() view returns (string)

function tokenByIndex(uint256 index) view returns (uint256)

function tokenOfOwnerByIndex(address owner, uint256 index) view returns (uint256)

function tokenURI(uint256 tokenId) view returns (string)

function totalSupply() view returns (uint256)

function treasury() view returns (address)

function approve(address to, uint256 tokenId)

function burn(uint256[] tokenIds, uint256 userId, uint256 signedAt, bytes signature)

function claim(uint256 amount, address receiver, uint256 userId, uint256 signedAt, bytes signature) payable

function initialize(tuple nftConfig, address factoryProxyAddress)

function multicall(bytes[] data) returns (bytes[] results)

function renounceOwnership()

function safeTransferFrom(address from, address to, uint256 tokenId, bytes data)

function safeTransferFrom(address from, address to, uint256 tokenId)

function setApprovalForAll(address operator, bool approved)

function setFee(uint256 newFee)

function setLocked(bool newLocked)

function setMaxSupply(uint256 newMaxSupply)

function setMintableAmountPerUser(uint256 newAmount)

function setTreasury(address newTreasury)

function transferFrom(address from, address to, uint256 tokenId)

function transferOwnership(address newOwner)

function updateTokenURI(string newCid)

event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId)

event ApprovalForAll(address indexed owner, address indexed operator, bool approved)

event Claimed(address indexed receiver, uint256 tokenId)

event FeeChanged(uint256 newFee)

event Initialized(uint8 version)

event Locked(uint256 tokenId)

event MaxSupplyChanged(uint256 newMaxSupply)

event MetadataUpdate()

event MintableAmountPerUserChanged(uint256 newAmount)

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner)

event Transfer(address indexed from, address indexed to, uint256 indexed tokenId)

event TreasuryChanged(address newTreasury)

event Unlocked(uint256 tokenId)

error AlreadyClaimed()

error ExpiredSignature()

error FailedToSendEther(address recipient)

error IncorrectFee(uint256 paid, uint256 requiredAmount)

error IncorrectSender()

error IncorrectSignature()

error MaxSupplyReached(uint256 maxSupply)

error NonExistentToken(uint256 tokenId)

error Soulbound()