All chains
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    SwapAssetOptions: StorageDescriptor<
        [
            { digest: FixedSizeBinary<4>; geohash: FixedSizeBinary<5> },
            SS58String,
        ],
        {
            asset_allowance: bigint;
            asset_id: Enum<
                {
                    V3: {
                        asset_id: XcmV3MultiassetAssetId;
                        location: { interior: XcmV3Junctions; parents: number };
                    };
                    V4: {
                        asset_id: { interior: XcmV3Junctions; parents: number };
                        location: { interior: XcmV3Junctions; parents: number };
                    };
                    V5: {
                        asset_id: { interior: XcmV5Junctions; parents: number };
                        location: { interior: XcmV5Junctions; parents: number };
                    };
                },
            >;
            cid: { digest: FixedSizeBinary<4>; geohash: FixedSizeBinary<5> };
            do_burn: boolean;
            rate?: bigint;
            valid_from?: bigint;
            valid_until?: bigint;
        },
        true,
        never,
    >