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  <xs:element id="suma_CashUnderwritingFee" name="CashUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="suma_BusinessAcquisitionPercentageOfVotingInterestsToBeAcquiredOnPostTransactionEntityMinimum" name="BusinessAcquisitionPercentageOfVotingInterestsToBeAcquiredOnPostTransactionEntityMinimum" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="suma_USSponsorMember" name="USSponsorMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_SeaportMember" name="SeaportMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="suma_CashUnderwritingDiscountPercentage" name="CashUnderwritingDiscountPercentage" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_ExpectedTermToBusinessCombinationYearsMember" name="ExpectedTermToBusinessCombinationYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_NumberOfPublicRights" name="NumberOfPublicRights" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_DeferredUnderwritingDiscountGrossProceedsPercentage" name="DeferredUnderwritingDiscountGrossProceedsPercentage" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="suma_USSponsorAndCanadaSponsorMember" name="USSponsorAndCanadaSponsorMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ScheduleOfBasicAndDilutedNetIncomePerOrdinaryShareAbstract" name="ScheduleOfBasicAndDilutedNetIncomePerOrdinaryShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ClassABNonredeemableMember" name="ClassABNonredeemableMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ScheduleOfValuationOfThePublicRightsIssuedInTheInitialPublicOfferingAbstract" name="ScheduleOfValuationOfThePublicRightsIssuedInTheInitialPublicOfferingAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ProbabilityOfDeSPACAndInstrumentspecificMarketAdjustmentMember" name="ProbabilityOfDeSPACAndInstrumentspecificMarketAdjustmentMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ImpliedClassAOrdinarySharePriceMember" name="ImpliedClassAOrdinarySharePriceMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_PublicRightsMeasurementInput" name="PublicRightsMeasurementInput" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="suma_ScheduleOfAssetsHeldInTrustAccountAbstract" name="ScheduleOfAssetsHeldInTrustAccountAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_FairValueMeasurementsScheduleOfAssetsHeldInTrustAccountTable" name="FairValueMeasurementsScheduleOfAssetsHeldInTrustAccountTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_ScheduleOfFairValueHierarchyOfInputsLineItems" name="ScheduleOfFairValueHierarchyOfInputsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_InitialBusinessCombinationMember" name="InitialBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_PostBusinessCombinationEntityMember" name="PostBusinessCombinationEntityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_SUMAAcquisitionCorporationMember" name="SUMAAcquisitionCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_BusinessCombinationMember" name="BusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="suma_FounderSharesMember" name="FounderSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_OperatingCostsPaidByUSSponsorOnBehalfOfCompany" name="OperatingCostsPaidByUSSponsorOnBehalfOfCompany" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="suma_StockIssuedDuringPeriodShareSaleOfPrivatePlacementUnits" name="StockIssuedDuringPeriodShareSaleOfPrivatePlacementUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_DeferredOfferingCostsPaidThroughIPOPromissoryNoteRelatedParty" name="DeferredOfferingCostsPaidThroughIPOPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
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  <xs:element id="suma_RedeemableClassAOrdinarySharesMember" name="RedeemableClassAOrdinarySharesMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_OfferingCostsAssociatedWithTheInitialPublicOfferingPolicyTextBlock" name="OfferingCostsAssociatedWithTheInitialPublicOfferingPolicyTextBlock" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="suma_EmergingGrowthCompanyPolicyTextBlock" name="EmergingGrowthCompanyPolicyTextBlock" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_LiquidityAndCapitalResourcesPolicyTextBloack" name="LiquidityAndCapitalResourcesPolicyTextBloack" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_NumberOfShares" name="NumberOfShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_NumberOfRightsPerEachUnitSold" name="NumberOfRightsPerEachUnitSold" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_TransactionCosts" name="TransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
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  <xs:element id="suma_PercentageOfAggregateFairMarketValueOfTrustAccount" name="PercentageOfAggregateFairMarketValueOfTrustAccount" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_NetProceedsFromIPO" name="NetProceedsFromIPO" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="suma_SummaryofSignificantAccountingPoliciesDetailsTable" name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_WorkingCapitalLoans" name="WorkingCapitalLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="suma_WorkingCapitalLoansOutstanding" name="WorkingCapitalLoansOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
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  <xs:element id="suma_InvestmentSecuritiesMaturityPeriod" name="InvestmentSecuritiesMaturityPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_UnitsIssuedDuringPeriodSharesNewIssues" name="UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="suma_FounderShareMember" name="FounderShareMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_SponsorMember" name="SponsorMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_StockIssuedDuringPeriodSharesSubjectToForfeiture" name="StockIssuedDuringPeriodSharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_CommitmentsDetailsTable" name="CommitmentsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_CanadaIISponsorMember" name="CanadaIISponsorMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_NumberOfUnitsSold" name="NumberOfUnitsSold" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_RelatedPartyTransactionsDetailsTable" name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
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  <xs:element id="suma_WorkingCapitalLoanMember" name="WorkingCapitalLoanMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_BusinessCombinationRedeemPercentage" name="BusinessCombinationRedeemPercentage" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_PublicRightMember" name="PublicRightMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_PercentageOfIssuedAndOutstanding" name="PercentageOfIssuedAndOutstanding" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_SimpleMajorityThresholdPercentageForElection" name="SimpleMajorityThresholdPercentageForElection" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
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  <xs:element id="suma_PublicSharesMember" name="PublicSharesMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_PrivatePlacementRightMember" name="PrivatePlacementRightMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="suma_SpecialResolutionRequirementPercentage" name="SpecialResolutionRequirementPercentage" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_PercentageObligationToRedeemPublicShares" name="PercentageObligationToRedeemPublicShares" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_InterestToPayDissolutionExpenses" name="InterestToPayDissolutionExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
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  <xs:element id="suma_DeferredUnderwritingCommissions" name="DeferredUnderwritingCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="suma_CommonStockSharesSubjectToForfeiture" name="CommonStockSharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_FounderShare" name="FounderShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="suma_FounderShares" name="FounderShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
</xs:schema>
