address indexed holder,
uint256 indexed projectId,
holderis the address from which the tokens were burned.
projectIdis the ID of the project to which the burned tokens belong.
amountis the amount of tokens that were burned.
initialUnclaimedBalanceis the amount of unclaimed tokens the holder had a balance of at the time of burning.
initialClaimedBalanceis the amount of claimed tokens the holder had a balance of at the time of burning.
preferClaimedTokensis a flag indicating if the burning had a preference to burn claimed tokens from the holder's wallet.
calleris the address that issued the transaction within which the event was emitted.