<NA>
<NA>
function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}
/**
 * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
 *
 * startTokenId - the first token id to be transferred
 * quantity - the amount to be transferred
 *
 * Calling conditions:
 *
 * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
 * transferred to `to`.
 * - When `from` is zero, `tokenId` will be minted for `to`.
 */