Zone Interface

struct ZoneParameters {
    bytes32 orderHash;
    address fulfiller;
    address offerer;
    SpentItem[] offer;
    ReceivedItem[] consideration;
    bytes extraData;
    bytes32[] orderHashes;
    uint256 startTime;
    uint256 endTime;
    bytes32 zoneHash;
}

function validateOrder(
        ZoneParameters calldata zoneParameters
    ) external returns (bytes4 validOrderMagicValue)

function getSeaportMetadata()
        external
        view
        returns (
            string memory name,
            Schema[] memory schemas // map to Seaport Improvement Proposal IDs
        )