function allowance(address owner, address spender) view returns (uint256)

function balanceOf(address account) view returns (uint256)

function calcBuyAmount(uint256 investmentAmount, uint256 outcomeIndex) view returns (uint256)

function calcSellAmount(uint256 returnAmount, uint256 outcomeIndex) view returns (uint256 outcomeTokenSellAmount)

function collateralToken() view returns (address)

function collectedFees() view returns (uint256)

function conditionalTokens() view returns (address)

function conditionIds(uint256) view returns (bytes32)

function fee() view returns (uint256)

function feesWithdrawableBy(address account) view returns (uint256)

function supportsInterface(bytes4 interfaceId) view returns (bool)

function totalSupply() view returns (uint256)

function addFunding(uint256 addedFunds, uint256[] distributionHint)

function approve(address spender, uint256 amount) returns (bool)

function buy(uint256 investmentAmount, uint256 outcomeIndex, uint256 minOutcomeTokensToBuy)

function decreaseAllowance(address spender, uint256 subtractedValue) returns (bool)

function increaseAllowance(address spender, uint256 addedValue) returns (bool)

function onERC1155BatchReceived(address operator, address from, uint256[] ids, uint256[] values, bytes data) returns (bytes4)

function onERC1155Received(address operator, address from, uint256 id, uint256 value, bytes data) returns (bytes4)

function removeFunding(uint256 sharesToBurn)

function sell(uint256 returnAmount, uint256 outcomeIndex, uint256 maxOutcomeTokensToSell)

function transfer(address recipient, uint256 amount) returns (bool)

function transferFrom(address sender, address recipient, uint256 amount) returns (bool)

function withdrawFees(address account)

event Approval(address indexed owner, address indexed spender, uint256 value)

event FPMMBuy(address indexed buyer, uint256 investmentAmount, uint256 feeAmount, uint256 indexed outcomeIndex, uint256 outcomeTokensBought)

event FPMMFundingAdded(address indexed funder, uint256[] amountsAdded, uint256 sharesMinted)

event FPMMFundingRemoved(address indexed funder, uint256[] amountsRemoved, uint256 collateralRemovedFromFeePool, uint256 sharesBurnt)

event FPMMSell(address indexed seller, uint256 returnAmount, uint256 feeAmount, uint256 indexed outcomeIndex, uint256 outcomeTokensSold)

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