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  <xs:element id="go_AccountsAndFinancingReceivableCreditLossExpenseReversal" abstract="false" name="AccountsAndFinancingReceivableCreditLossExpenseReversal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAllowanceForCreditLossRollForward" abstract="true" name="AccountsAndFinancingReceivableAllowanceForCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="go_TemporaryCommissionAdjustmentProgramMember" abstract="true" name="TemporaryCommissionAdjustmentProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_HellmanAndFriedmanLLCMember" abstract="true" name="HellmanAndFriedmanLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_FirstLienCreditAgreementMember" abstract="true" name="FirstLienCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff" abstract="false" name="AccountsAndFinancingReceivableAllowanceForCreditLossWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_SecondReplacementTermLoanMember" abstract="true" name="SecondReplacementTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAllowanceForCreditLossTableTextBlock" abstract="false" name="AccountsAndFinancingReceivableAllowanceForCreditLossTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="go_NonPerishableMember" abstract="true" name="NonPerishableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_NewStoreMember" abstract="true" name="NewStoreMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAllowanceForCreditLossEffectOfNewAccountingPronouncement" abstract="false" name="AccountsAndFinancingReceivableAllowanceForCreditLossEffectOfNewAccountingPronouncement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_RepaymentsFromAdvancesToIndependentOperators" abstract="false" name="RepaymentsFromAdvancesToIndependentOperators" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_LeaseLiabilityNoncurrent" abstract="false" name="LeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_NonTemporaryCommissionAdjustmentProgramMember" abstract="true" name="NonTemporaryCommissionAdjustmentProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableBeforeAllowanceForCreditLoss" abstract="false" name="AccountsAndFinancingReceivableBeforeAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_LeaseLiabilityCurrent" abstract="false" name="LeaseLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustment" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="go_FinancingAndTradeReceivablesDisclosureTextBlock" abstract="false" name="FinancingAndTradeReceivablesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="go_ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" abstract="false" name="ScheduleOfIncomeTaxExpenseBenefitAndEffectiveIncomeTaxRateTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="go_TermLoanMaturingOctober222025Member" abstract="true" name="TermLoanMaturingOctober222025Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_VariableInterestEntityNumberOfStores" abstract="false" name="VariableInterestEntityNumberOfStores" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="go_WriteOffOfDebtIssuanceCostsAndDebtDiscounts" abstract="false" name="WriteOffOfDebtIssuanceCostsAndDebtDiscounts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_PaymentsForAdvancesToIndependentOperators" abstract="false" name="PaymentsForAdvancesToIndependentOperators" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_ShareBasedPaymentArrangementPerformanceBasedOptionMember" abstract="true" name="ShareBasedPaymentArrangementPerformanceBasedOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_PerishableMember" abstract="true" name="PerishableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="go_IndependentOperatorNotesStatedInterestRate" abstract="false" name="IndependentOperatorNotesStatedInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="go_DebtInstrumentSecuredLeverageRatio" abstract="false" name="DebtInstrumentSecuredLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAllowanceForCreditLossNoncurrent" abstract="false" name="AccountsAndFinancingReceivableAllowanceForCreditLossNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_AccountsAndFinancingReceivableAfterAllowanceForCreditLoss1" abstract="false" name="AccountsAndFinancingReceivableAfterAllowanceForCreditLoss1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="go_ShareBasedPaymentArrangementTimeBasedOptionMember" abstract="true" name="ShareBasedPaymentArrangementTimeBasedOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
