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  <xsd:element name="PrivatePlacementWarrantsMember" id="drdb_PrivatePlacementWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightsNumberOfWarrantsSold" id="drdb_ClassOfWarrantOrRightsNumberOfWarrantsSold" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSharesPerUnit" id="drdb_NumberOfSharesPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfWarrantsPerUnit" id="drdb_NumberOfWarrantsPerUnit" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightExercisablePeriodAfterCompletionOfBusinessCombination" id="drdb_ClassOfWarrantOrRightExercisablePeriodAfterCompletionOfBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToFileRegistrationStatement" id="drdb_ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToFileRegistrationStatement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToHaveDeclaredEffectiveRegistrationStatement" id="drdb_ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToHaveDeclaredEffectiveRegistrationStatement" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger" id="drdb_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" id="drdb_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightWrittenNoticePeriodForRedemptionOfWarrants" id="drdb_ClassOfWarrantOrRightWrittenNoticePeriodForRedemptionOfWarrants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" id="drdb_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" id="drdb_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSpecifiedTradingDaysDeterminingVolumeWeightedAverageTradingPrice" id="drdb_NumberOfSpecifiedTradingDaysDeterminingVolumeWeightedAverageTradingPrice" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdIssuePriceForCapitalRaisingPurposesInConnectionWithClosingOfBusinessCombination" id="drdb_ThresholdIssuePriceForCapitalRaisingPurposesInConnectionWithClosingOfBusinessCombination" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfGrossProceedsToTotalEquityProceeds" id="drdb_PercentageOfGrossProceedsToTotalEquityProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdTradingDaysForCalculatingMarketValue" id="drdb_ThresholdTradingDaysForCalculatingMarketValue" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice" id="drdb_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightAdjustmentOfRedemptionTriggerPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice" id="drdb_ClassOfWarrantOrRightAdjustmentOfRedemptionTriggerPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PromissoryNoteMember" id="drdb_PromissoryNoteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdministrativeServicesAgreementMember" id="drdb_AdministrativeServicesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WorkingCapitalLoanMember" id="drdb_WorkingCapitalLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SharesLockUpPeriod" id="drdb_SharesLockUpPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TransferAssignOrSellAnySharesAfterCompletionOfBusinessCombinationStockPriceTrigger" id="drdb_TransferAssignOrSellAnySharesAfterCompletionOfBusinessCombinationStockPriceTrigger" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TransferAssignOrSellAnySharesCompletionOfBusinessCombinationThresholdTradingDays" id="drdb_TransferAssignOrSellAnySharesCompletionOfBusinessCombinationThresholdTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TransferAssignOrSellAnySharesAfterCompletionOfBusinessCombinationThresholdConsecutiveTradingDays" id="drdb_TransferAssignOrSellAnySharesAfterCompletionOfBusinessCombinationThresholdConsecutiveTradingDays" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ThresholdConsecutiveTradingDaysConditionCommencementDaysFromDateOfInitialBusinessCombination" id="drdb_ThresholdConsecutiveTradingDaysConditionCommencementDaysFromDateOfInitialBusinessCombination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentMaximumBorrowingCapacity" id="drdb_DebtInstrumentMaximumBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RentPerMonth" id="drdb_RentPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ClassOfWarrantOrRightPricePerWarrant" id="drdb_ClassOfWarrantOrRightPricePerWarrant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CommonStockConversionRatioFromOneClassToAnotherClass" id="drdb_CommonStockConversionRatioFromOneClassToAnotherClass" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfCommonStockIssuableOnConversionOfShares" id="drdb_PercentageOfCommonStockIssuableOnConversionOfShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfVotesPerShare" id="drdb_NumberOfVotesPerShare" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfVotesForAppointmentOfDirectors" id="drdb_PercentageOfVotesForAppointmentOfDirectors" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AffirmativeVotesRequirementToPassSpecialResolutionForAmendmentOfProvisions" id="drdb_AffirmativeVotesRequirementToPassSpecialResolutionForAmendmentOfProvisions" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="UnitsEachConsistingOfOneClassOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember" id="drdb_UnitsEachConsistingOfOneClassOrdinaryShareAndOneHalfOfOneRedeemableWarrantMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember" id="drdb_WarrantsEachWholeWarrantExercisableForOneClassOrdinaryShareAtExercisePriceOf11.50PerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommitmentsAndContingenciesTable" id="drdb_CommitmentsAndContingenciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommitmentsAndContingenciesLineItems" id="drdb_CommitmentsAndContingenciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumNumberOfDemandsExcludingShortFormDemandsEntitledBySecurityHolders" id="drdb_MaximumNumberOfDemandsExcludingShortFormDemandsEntitledBySecurityHolders" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OverAllotmentPeriod" id="drdb_OverAllotmentPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfAdditionalUnitsToBePurchased" id="drdb_NumberOfAdditionalUnitsToBePurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfCashFeeToUnderwriterOnGrossProceedsFromInitialPublicOffering" id="drdb_PercentageOfCashFeeToUnderwriterOnGrossProceedsFromInitialPublicOffering" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FairValueAdjustmentOfOverAllotmentLiability" id="drdb_FairValueAdjustmentOfOverAllotmentLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsForInvestmentOfCashInTrustAccount" id="drdb_PaymentsForInvestmentOfCashInTrustAccount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsFromIssuanceOverAllotmentOption" id="drdb_ProceedsFromIssuanceOverAllotmentOption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ClassaCommonStockSubjectToRedemptionMember" id="drdb_ClassaCommonStockSubjectToRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsAllocatedToWarrants" id="drdb_ProceedsAllocatedToWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsAllocatedToOverAllotmentUnits" id="drdb_ProceedsAllocatedToOverAllotmentUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ProceedsAllocatedToOrdinarySharesIssuanceCosts" id="drdb_ProceedsAllocatedToOrdinarySharesIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InvestmentsHeldInTrustAccountPolicyPolicyTextBlock" id="drdb_InvestmentsHeldInTrustAccountPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TemporaryEquityRedemptionPolicyPolicyTextBlock" id="drdb_TemporaryEquityRedemptionPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AssetsHeldInTrustAccountFairValueDisclosure" id="drdb_AssetsHeldInTrustAccountFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseInAccruedOfferingCosts" id="drdb_IncreaseDecreaseInAccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedDuringPeriodSharesOverAllotmentUnitsExercised" id="drdb_StockIssuedDuringPeriodSharesOverAllotmentUnitsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AccretionOfTemporaryEquityToRedemptionValueAdjustments" id="drdb_AccretionOfTemporaryEquityToRedemptionValueAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OrganizationAndBusinessOperationsTable" id="drdb_OrganizationAndBusinessOperationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OrganizationAndBusinessOperationsLineItems" id="drdb_OrganizationAndBusinessOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrivatePlacementAndInitialPublicOfferingMember" id="drdb_PrivatePlacementAndInitialPublicOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RemeasurementOfTemporaryEquityToRedemptionValueAdjustments" id="drdb_RemeasurementOfTemporaryEquityToRedemptionValueAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RemeasurementOfTemporaryEquityToRedemptionValue" id="drdb_RemeasurementOfTemporaryEquityToRedemptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InitialCashPayment" id="drdb_InitialCashPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ReimbursementReceivableCurrent" id="drdb_ReimbursementReceivableCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ClassaCommonStockNotSubjectToRedemptionMember" id="drdb_ClassaCommonStockNotSubjectToRedemptionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReverseRecapitalizationConsultingAgreementFeeAmountPerMonth" id="drdb_ReverseRecapitalizationConsultingAgreementFeeAmountPerMonth" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReverseRecapitalizationConsultingAgreementTransactionFeeTiedWithRedemptionOutcomesAtCompletion" id="drdb_ReverseRecapitalizationConsultingAgreementTransactionFeeTiedWithRedemptionOutcomesAtCompletion" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReverseRecapitalizationConsultingAgreementDiscretionaryBonus" id="drdb_ReverseRecapitalizationConsultingAgreementDiscretionaryBonus" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ReverseRecapitalizationNumberOfSharesForEachShareOutstanding" id="drdb_ReverseRecapitalizationNumberOfSharesForEachShareOutstanding" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationNumberOfWarrantForEachWarrantOutstanding" id="drdb_ReverseRecapitalizationNumberOfWarrantForEachWarrantOutstanding" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationNumberOfSharesForEachWarrant" id="drdb_ReverseRecapitalizationNumberOfSharesForEachWarrant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationTargetCompanyEquityValue" id="drdb_ReverseRecapitalizationTargetCompanyEquityValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SponsorSupportAgreementConversionOfSharesFromOneClassToAnotherClassSharesForEachShare" id="drdb_SponsorSupportAgreementConversionOfSharesFromOneClassToAnotherClassSharesForEachShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ReverseRecapitalizationMarketingServicesFeePercentageOnGrossProceeds" id="drdb_ReverseRecapitalizationMarketingServicesFeePercentageOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementStructuredFeePercentageOnGrossProceeds" id="drdb_ReverseRecapitalizationMarketingAgreementStructuredFeePercentageOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FeeForFirst10MillionOfGrossProceedsMember" id="drdb_FeeForFirst10MillionOfGrossProceedsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementStructuredFeeIncrementalPercentageOnGrossProceeds" id="drdb_ReverseRecapitalizationMarketingAgreementStructuredFeeIncrementalPercentageOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FeeForGrossProceedsExceeding10MillionMember" id="drdb_FeeForGrossProceedsExceeding10MillionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementStructuredFeeThresholdPeriodForPayment" id="drdb_ReverseRecapitalizationMarketingAgreementStructuredFeeThresholdPeriodForPayment" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementLeadDistributionAgentCommissionFeePercentageOnGrossProceeds" id="drdb_ReverseRecapitalizationMarketingAgreementLeadDistributionAgentCommissionFeePercentageOnGrossProceeds" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementLeadDistributionAgentServicePeriod" id="drdb_ReverseRecapitalizationMarketingAgreementLeadDistributionAgentServicePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationMarketingAgreementStructuredFeeThresholdGrossProceeds" id="drdb_ReverseRecapitalizationMarketingAgreementStructuredFeeThresholdGrossProceeds" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ReverseRecapitalizationRegistrationStatementFilingPeriod" id="drdb_ReverseRecapitalizationRegistrationStatementFilingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationRegistrationStatementEffectivenessPeriod" id="drdb_ReverseRecapitalizationRegistrationStatementEffectivenessPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationRegistrationStatementEffectivenessPeriodOnRegulatoryAuthorityReview" id="drdb_ReverseRecapitalizationRegistrationStatementEffectivenessPeriodOnRegulatoryAuthorityReview" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationNonreviewEffectivenessPeriod" id="drdb_ReverseRecapitalizationNonreviewEffectivenessPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationRegistrationRightsAgreementTerminationPeriod" id="drdb_ReverseRecapitalizationRegistrationRightsAgreementTerminationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ReverseRecapitalizationTransferOfSharesLockupPeriod" id="drdb_ReverseRecapitalizationTransferOfSharesLockupPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PurchaseCommitmentPeriod" id="drdb_PurchaseCommitmentPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PurchaseCommitmentAmount" id="drdb_PurchaseCommitmentAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PurchaseCommitmentPrice" id="drdb_PurchaseCommitmentPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="InvestorCommitmentFeePercentage" id="drdb_InvestorCommitmentFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MaximumReimburseCertainExpenses" id="drdb_MaximumReimburseCertainExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MaximumQuarterlyLegalFeesNotIncluding" id="drdb_MaximumQuarterlyLegalFeesNotIncluding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MaximumAdditionalReimburseCertainExpenses" id="drdb_MaximumAdditionalReimburseCertainExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OfferingFeePercentage" id="drdb_OfferingFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StrategicAdvisoryFeePercentage" id="drdb_StrategicAdvisoryFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="MaximumAggregateCompensationPaidAsPercentage" id="drdb_MaximumAggregateCompensationPaidAsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AggregateSalesPrice" id="drdb_AggregateSalesPrice" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="InvestorsInUnitedStatesLucidMember" id="drdb_InvestorsInUnitedStatesLucidMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestorsInUnitedStatesBerenbergMember" id="drdb_InvestorsInUnitedStatesBerenbergMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestorsInEuropeLucidMember" id="drdb_InvestorsInEuropeLucidMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestorsInEuropeBerenbergMember" id="drdb_InvestorsInEuropeBerenbergMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherInvestorsLucidMember" id="drdb_OtherInvestorsLucidMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherInvestorsBerenbergMember" id="drdb_OtherInvestorsBerenbergMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
