  function _transferNFTs(
    address from,
    address to,
    OrderTypes.OrderItem calldata item
  ) internal {
    if (IERC165(item.collection).supportsInterface(0x80ac58cd)) {
      _transferERC721s(from, to, item);
    } else if (IERC165(item.collection).supportsInterface(0xd9b67a26)) {
      _transferERC1155s(from, to, item);
    }
  }
  function _transferERC721s(
    address from,
    address to,
    OrderTypes.OrderItem calldata item
  ) internal {
    uint256 numTokens = item.tokens.length;
    for (uint256 i = 0; i < numTokens; ) {
      IERC721(item.collection).safeTransferFrom(from, to, item.tokens[i].tokenId);
      unchecked {
        ++i;
      }
    }
  }
  function _transferNFTs(
    address from,
    address to,
    OrderTypes.OrderItem calldata item
  ) internal {
    if (IERC165(item.collection).supportsInterface(0xd9b67a26)) {
      _transferERC1155s(from, to, item);
    } else if (IERC165(item.collection).supportsInterface(0x80ac58cd)) {
      _transferERC721s(from, to, item);
    }
  }
