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  <xsd:element abstract="true" id="gyro_RentalIncomeMember" name="RentalIncomeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_RetailUseMember" name="RetailUseMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_RightsOfferingMember" name="RightsOfferingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyEarnestMoneyDeposit" name="SaleOfRealEstatePropertyEarnestMoneyDeposit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyEarnestMoneyDepositInvestigationPeriod" name="SaleOfRealEstatePropertyEarnestMoneyDepositInvestigationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyFailureToObtainApprovalsPeriodOfTermination" name="SaleOfRealEstatePropertyFailureToObtainApprovalsPeriodOfTermination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyInfrastructureCosts" name="SaleOfRealEstatePropertyInfrastructureCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyInvestigationPeriodNoticeDatePeriodAfterSitePlanApproval" name="SaleOfRealEstatePropertyInvestigationPeriodNoticeDatePeriodAfterSitePlanApproval" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyInvestigationPeriodNoticeDatePeriodAfterWaivingOfSiteApprovalPlanContingency" name="SaleOfRealEstatePropertyInvestigationPeriodNoticeDatePeriodAfterWaivingOfSiteApprovalPlanContingency" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertyPurchasePrice" name="SaleOfRealEstatePropertyPurchasePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="gyro_SaleOfRealEstatePropertySubdivisionApprovalPeriod" name="SaleOfRealEstatePropertySubdivisionApprovalPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="gyro_ScheduleOfAllocationOfBonusPoolPercentageTableTextBlock" name="ScheduleOfAllocationOfBonusPoolPercentageTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_StJamesFlowerfieldComplexMember" name="StJamesFlowerfieldComplexMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_StJamesNewYorkMember" name="StJamesNewYorkMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_StockPlanMember" name="StockPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_TenantOneMember" name="TenantOneMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_TenantThreeMember" name="TenantThreeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_TenantTwoMember" name="TenantTwoMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_TheCorporationMember" name="TheCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-12-commitments-other-commitments-details" name="statement-statement-note-12-commitments-other-commitments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-12-commitments-schedule-of-allocation-of-bonus-pool-percentage-details" name="statement-statement-note-12-commitments-schedule-of-allocation-of-bonus-pool-percentage-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-12-commitments-shares-distributed-details" name="statement-statement-note-12-commitments-shares-distributed-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-12-commitments-tables" name="statement-statement-note-12-commitments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-5-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-change-in-liability-for-estimated-costs-of-estimated-receipts-details" name="statement-statement-note-5-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-change-in-liability-for-estimated-costs-of-estimated-receipts-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-5-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-tables" name="statement-statement-note-5-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-7-loans-payable-loan-maturity-details" name="statement-statement-note-7-loans-payable-loan-maturity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-7-loans-payable-tables" name="statement-statement-note-7-loans-payable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-8-accounts-payable-and-accrued-liabilities-accounts-payable-and-accrued-liabilities-details" name="statement-statement-note-8-accounts-payable-and-accrued-liabilities-accounts-payable-and-accrued-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-note-8-accounts-payable-and-accrued-liabilities-tables" name="statement-statement-note-8-accounts-payable-and-accrued-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="gyro_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
