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<element name="NewStockRepurchaseProgramMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="mx_NewStockRepurchaseProgramMember" substitutionGroup="xbrli:item" />
<element name="AcceleratedStockRepurchaseProgramMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="mx_AcceleratedStockRepurchaseProgramMember" substitutionGroup="xbrli:item" />
<element name="ReclassifiedAsATreasuryStockFromAdditionalPaidInCapitalMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="mx_ReclassifiedAsATreasuryStockFromAdditionalPaidInCapitalMember" substitutionGroup="xbrli:item" />
<element name="AggregatePurchasePriceOfShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="mx_AggregatePurchasePriceOfShares" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="EmployeeAndNonEmployeeStockOptionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="mx_EmployeeAndNonEmployeeStockOptionMember" substitutionGroup="xbrli:item" />
<element name="InsiderTradingArrangementsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="mx_InsiderTradingArrangementsAbstract" substitutionGroup="xbrli:item" />
</schema>
