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  <xs:element id="ymt_FairValueChangesOfFinancialLiabilitiesDueToInstrumentspecificCreditRiskNetOfIncomeTaxes" name="FairValueChangesOfFinancialLiabilitiesDueToInstrumentspecificCreditRiskNetOfIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
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  <xs:element id="ymt_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueForfeited" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueForfeited" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
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  <xs:element id="ymt_OperatingLeaseRightOfUseAssets" name="OperatingLeaseRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
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  <xs:element id="ymt_PRCExcludingHongKongSARMember" name="PRCExcludingHongKongSARMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
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</xs:schema>
