    function unlistVesting(address seller, address plan, uint256 amount) external onlyMarketplace {
@>        allocations[seller][plan].sold -= amount;
        SecondSwap_Vesting(plan).transferVesting(address(this), seller, amount);
    }
    struct Listing {
        address seller;
+       uint256 stepsClaimedSeller;
        uint256 total;
        uint256 balance;
        uint256 pricePerUnit;
        ListingType listingType;
        DiscountType discountType;
        uint256 discountPct;
        uint256 listTime;
        address whitelist;
        uint256 minPurchaseAmt;
        Status status;
        address currency;
        address vestingPlan;
    }
struct Vesting {
        uint256 stepsClaimed;
        uint256 amountClaimed;
+       uint256 amountClaimable;
        uint256 releaseRate;
        uint256 totalAmount;
    }
