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<!--Created on: 8/12/2026 8:55:51 PM-->
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  <xsd:element name="RedeemableWarrantsMember" id="sbxd_RedeemableWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesIssuedPerUnit" id="sbxd_NumberOfSharesIssuedPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfWarrantsIssuedPerUnit" id="sbxd_NumberOfWarrantsIssuedPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" id="sbxd_WarrantsAndRightsOutstandingExercisableTermAfterBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SharePriceTriggerUsedToMeasureDilutionOfWarrants" id="sbxd_SharePriceTriggerUsedToMeasureDilutionOfWarrants" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfGrossNewProceedsToTotalEquityProceedsUsedToMeasureDilutionOfWarrant" id="sbxd_PercentageOfGrossNewProceedsToTotalEquityProceedsUsedToMeasureDilutionOfWarrant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TradingPeriodAfterBusinessCombinationUsedToMeasureDilutionOfWarrant" id="sbxd_TradingPeriodAfterBusinessCombinationUsedToMeasureDilutionOfWarrant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrices" id="sbxd_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrices" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsReferencePrice" id="sbxd_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsReferencePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightAdjustmentOfRedemptionPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice1" id="sbxd_ClassOfWarrantOrRightAdjustmentOfRedemptionPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice1" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightExercisableForCash" id="sbxd_ClassOfWarrantOrRightExercisableForCash" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" id="sbxd_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RedemptionPeriod" id="sbxd_RedemptionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WarrantRedemptionConditionMinimumSharePrice" id="sbxd_WarrantRedemptionConditionMinimumSharePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" id="sbxd_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdNumberOfBusinessDaysBeforeSendingNoticeOfRedemptionToWarrantHolders" id="sbxd_ThresholdNumberOfBusinessDaysBeforeSendingNoticeOfRedemptionToWarrantHolders" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveMeasurementPeriod" id="sbxd_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveMeasurementPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDaysFairMarketValue" id="sbxd_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDaysFairMarketValue" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdNumberOfBusinessDaysBeforeSendingNoticeOfRedemptionToWarrantHoldersFairMarketValue" id="sbxd_ThresholdNumberOfBusinessDaysBeforeSendingNoticeOfRedemptionToWarrantHoldersFairMarketValue" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MinimumOrdinaryStockholdersPercentageOfVotingForAmendmentOfMemorandumAndArticlesOfAssociation" id="sbxd_MinimumOrdinaryStockholdersPercentageOfVotingForAmendmentOfMemorandumAndArticlesOfAssociation" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ConversionOfStockConversionRatio" id="sbxd_ConversionOfStockConversionRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="InitialBusinessCombinationSharesIssuableAsPercentOfOutstandingShares" id="sbxd_InitialBusinessCombinationSharesIssuableAsPercentOfOutstandingShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DescriptionOfOrganizationBusinessOperationsTable" id="sbxd_DescriptionOfOrganizationBusinessOperationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DescriptionOfOrganizationBusinessOperationsLineItems" id="sbxd_DescriptionOfOrganizationBusinessOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InitialPublicOfferingOverAllotmentAndPrivatePlacementMember" id="sbxd_InitialPublicOfferingOverAllotmentAndPrivatePlacementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SponsorMember" id="sbxd_SponsorMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfInstitutionalInvestors" id="sbxd_NumberOfInstitutionalInvestors" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfAffiliatedInstitutionalInvestor" id="sbxd_NumberOfAffiliatedInstitutionalInvestor" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FounderSharesMember" id="sbxd_FounderSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesOwned" id="sbxd_NumberOfSharesOwned" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ConsiderationForSharesSubjectToSurrender" id="sbxd_ConsiderationForSharesSubjectToSurrender" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SponsorNonManagingMembersReflectingInterestsOfSharesHeld" id="sbxd_SponsorNonManagingMembersReflectingInterestsOfSharesHeld" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PromissoryNoteWithRelatedPartyMember" id="sbxd_PromissoryNoteWithRelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdministrativeSupportAgreementMember" id="sbxd_AdministrativeSupportAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RelatedPartyLoansMember" id="sbxd_RelatedPartyLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" id="sbxd_MaximumBorrowingCapacityOfRelatedPartyPromissoryNote" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RelatedPartyTransactionExpensesFromTransactionsWithRelatedPartyPerMonth" id="sbxd_RelatedPartyTransactionExpensesFromTransactionsWithRelatedPartyPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MaximumLoansConvertibleInToUnits" id="sbxd_MaximumLoansConvertibleInToUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RegistrationOfRightsSecuritiesHoldersMaximumNumberOfDemandsEntitled" id="sbxd_RegistrationOfRightsSecuritiesHoldersMaximumNumberOfDemandsEntitled" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SilverboxSecuritiesLlcMember" id="sbxd_SilverboxSecuritiesLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FinancialAdvisoryServicesMember" id="sbxd_FinancialAdvisoryServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnderwritersOverAllotmentOptionPeriod" id="sbxd_UnderwritersOverAllotmentOptionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfCashUnderwritingDiscountOnGrossProceeds" id="sbxd_PercentageOfCashUnderwritingDiscountOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageDeferredUnderwritingDiscountOnGrossProceeds" id="sbxd_PercentageDeferredUnderwritingDiscountOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DeferredUnderwritingDiscountPayable" id="sbxd_DeferredUnderwritingDiscountPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AmountOfFeePayableUponClosingInitialBusinessCombination" id="sbxd_AmountOfFeePayableUponClosingInitialBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="UnitsEachConsistingOfOneClassaOrdinaryShare0.0001ParValueAndOnethirdOfOneRedeemableWarrantMember" id="sbxd_UnitsEachConsistingOfOneClassaOrdinaryShare0.0001ParValueAndOnethirdOfOneRedeemableWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassaOrdinarySharesIncludedAsPartOfUnitsMember" id="sbxd_ClassaOrdinarySharesIncludedAsPartOfUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RedeemableWarrantsIncludedAsPartOfUnitsEachWholeWarrantExercisableForOneClassaOrdinaryShareAtExercisePriceOf11.50Member" id="sbxd_RedeemableWarrantsIncludedAsPartOfUnitsEachWholeWarrantExercisableForOneClassaOrdinaryShareAtExercisePriceOf11.50Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="UnitsIssuedDuringPeriodSharesNewIssues" id="sbxd_UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UnitsIssuedDuringPeriodValueNewIssues" id="sbxd_UnitsIssuedDuringPeriodValueNewIssues" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CashUnderwritingDiscountPaid" id="sbxd_CashUnderwritingDiscountPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TransactionCosts" id="sbxd_TransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CashUnderwritingFee" id="sbxd_CashUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredUnderwritingFee" id="sbxd_DeferredUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OfferingCostsReimbursementFromUnderwriter" id="sbxd_OfferingCostsReimbursementFromUnderwriter" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherOfferingCosts" id="sbxd_OtherOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PrepaidExpenseOtherThanPrepaidInsuranceCurrent" id="sbxd_PrepaidExpenseOtherThanPrepaidInsuranceCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredLegalFeePayableNonCurrent" id="sbxd_DeferredLegalFeePayableNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DeferredUnderwritingFeePayableNonCurrent" id="sbxd_DeferredUnderwritingFeePayableNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="CommonClassaSubjectToRedemptionMember" id="sbxd_CommonClassaSubjectToRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommonClassNotSubjectToRedemptionMember" id="sbxd_CommonClassNotSubjectToRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StockForfeitedDuringPeriodShares" id="sbxd_StockForfeitedDuringPeriodShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInDeferredLegalFee" id="sbxd_IncreaseDecreaseInDeferredLegalFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CurrentAssetsLiabilitiesNet" id="sbxd_CurrentAssetsLiabilitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="InvestmentsHeldInTrustAccountPolicyPolicyTextBlock" id="sbxd_InvestmentsHeldInTrustAccountPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CommonStockSubjectToPossibleRedemptionPolicyTextBlock" id="sbxd_CommonStockSubjectToPossibleRedemptionPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" id="sbxd_EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodLineItems" id="sbxd_EarningsPerShareBasicAndDilutedByCommonClassIncludingTwoClassMethodLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInPrepaidExpenseExcludingPrepaidInsurance" id="sbxd_IncreaseDecreaseInPrepaidExpenseExcludingPrepaidInsurance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SingleReportableSegmentMember" id="sbxd_SingleReportableSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AccretionForClassOrdinarySharesToRedemptionAmount" id="sbxd_AccretionForClassOrdinarySharesToRedemptionAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RedeemableAndNonredeemableClassOrdinarySharesMember" id="sbxd_RedeemableAndNonredeemableClassOrdinarySharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BusinessCombinationConsiderationTransferredEquityInterestNumberOfSharesIssuedPerShareHeldInAcquiree" id="sbxd_BusinessCombinationConsiderationTransferredEquityInterestNumberOfSharesIssuedPerShareHeldInAcquiree" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CapitalMarketsAdvisoryServiceFeePayable" id="sbxd_CapitalMarketsAdvisoryServiceFeePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ReimbursementPayable" id="sbxd_ReimbursementPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="UnitsIssuedDuringPeriodSharesIssuedForServices" id="sbxd_UnitsIssuedDuringPeriodSharesIssuedForServices" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FounderSharesFairValue" id="sbxd_FounderSharesFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfSharesRepresentedAtMeeting" id="sbxd_NumberOfSharesRepresentedAtMeeting" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfSharesRepresentedAtMeeting" id="sbxd_PercentageOfSharesRepresentedAtMeeting" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfVotesReceivedInFavorOfProposal" id="sbxd_NumberOfVotesReceivedInFavorOfProposal" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfVotesReceivedAgainstProposal" id="sbxd_NumberOfVotesReceivedAgainstProposal" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfAbstentionsForProposal" id="sbxd_NumberOfAbstentionsForProposal" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfSharesRedeemed" id="sbxd_NumberOfSharesRedeemed" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfSharesCancelled" id="sbxd_NumberOfSharesCancelled" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
</xsd:schema>
