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  <xs:element id="are_DebtInstrumentFacilityFeeRateAdjustmentAmountMaximum" abstract="false" name="DebtInstrumentFacilityFeeRateAdjustmentAmountMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="are_CommonStockValueAvailableForFutureIssuance" abstract="false" name="CommonStockValueAvailableForFutureIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="are_IncomeFromRentalsMember" abstract="true" name="IncomeFromRentalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="are_AssetsNotAllocatedToSegments" abstract="false" name="AssetsNotAllocatedToSegments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="are_MarcE.BindaMember" abstract="true" name="MarcE.BindaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="are_HallieE.KuhnMember" abstract="true" name="HallieE.KuhnMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="are_HartColeMember" abstract="true" name="HartColeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
