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  <xs:element id="a_FY23RestructuringPlanMember" abstract="true" name="FY23RestructuringPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_A5YrUnsecuredCreditFacilityMember" abstract="true" name="A5YrUnsecuredCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_IncrementalRevolvingCreditFacilityMember" abstract="true" name="IncrementalRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_UncommittedMoneyMarketLineCreditAgreementMember" abstract="true" name="UncommittedMoneyMarketLineCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_MinimumAmountPerAdvanceRequest" abstract="false" name="MinimumAmountPerAdvanceRequest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="a_StrategicInnovationFundMember" abstract="true" name="StrategicInnovationFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_AtlanticCanadaOpportunitiesAgencyACOAMember" abstract="true" name="AtlanticCanadaOpportunitiesAgencyACOAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_OtherLoansMember" abstract="true" name="OtherLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_SeniorNotes2027Member" abstract="true" name="SeniorNotes2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_SeniorNotes2030Member" abstract="true" name="SeniorNotes2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_SeniorNotes2031Member" abstract="true" name="SeniorNotes2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_SeniorNotes2034Member" abstract="true" name="SeniorNotes2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_A2023RepurchaseProgramMember" abstract="true" name="A2023RepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_A2024RepurchaseProgramMember" abstract="true" name="A2024RepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="a_TransformationalPrograms" abstract="false" name="TransformationalPrograms" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
