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  </xs:annotation>
  <xs:element id="nmg4_WellsCreditFacilityMember" abstract="true" name="WellsCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_UBSCreditFacilityMember" abstract="true" name="UBSCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_IncentiveFeeExpenseCapitalGainBasedNet" abstract="false" name="IncentiveFeeExpenseCapitalGainBasedNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_UnrealizedGainLossInvestmentOperatingAndForeignCurrencyTransactionBeforeTax" abstract="false" name="UnrealizedGainLossInvestmentOperatingAndForeignCurrencyTransactionBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_InvestmentCompanyCapitalShareTransactionAndDividendDistributionIncreaseDecrease" abstract="false" name="InvestmentCompanyCapitalShareTransactionAndDividendDistributionIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_MembersEquityPeriodIncreaseDecrease" abstract="false" name="MembersEquityPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_InvestmentsIncludingDelayedDrawFacilitiesMember" abstract="true" name="InvestmentsIncludingDelayedDrawFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentsExcludingDrawnRevolversMember" abstract="true" name="InvestmentsExcludingDrawnRevolversMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DrawnRevolvingCreditFacilitiesMember" abstract="true" name="DrawnRevolvingCreditFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DrawnRevolversMember" abstract="true" name="DrawnRevolversMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BMOSubscriptionLineMember" abstract="true" name="BMOSubscriptionLineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AdjustmentsToReconcileNetAssetsFromOperationsToCashProvidedByUsedInOperatingActivitiesAbstract" abstract="true" name="AdjustmentsToReconcileNetAssetsFromOperationsToCashProvidedByUsedInOperatingActivitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nmg4_ProceedsFromPurchaseOfUndrawnPortionOfInvestmentOperatingActivity" abstract="false" name="ProceedsFromPurchaseOfUndrawnPortionOfInvestmentOperatingActivity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_PaymentOfPlacementFees" abstract="false" name="PaymentOfPlacementFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_NoncashOperatingItemsAbstract" abstract="true" name="NoncashOperatingItemsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nmg4_NoncashInvestmentsActivities" abstract="false" name="NoncashInvestmentsActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_NoncashFinancingItemsAbstract" abstract="true" name="NoncashFinancingItemsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nmg4_DebtIssuanceCostsIncurredButNotYetPaid" abstract="false" name="DebtIssuanceCostsIncurredButNotYetPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_WealthEnhancementGroupLLCMember" abstract="true" name="WealthEnhancementGroupLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_NCTopcoLLCMember" abstract="true" name="NCTopcoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AnaplanInc.Member" abstract="true" name="AnaplanInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_HealthspanBuyerLLCMember" abstract="true" name="HealthspanBuyerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MAICapitalManagementIntermediateLLCMember" abstract="true" name="MAICapitalManagementIntermediateLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AssociationsInc.Member" abstract="true" name="AssociationsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_Businessolver.comInc.Member" abstract="true" name="Businessolver.comInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_VesscoMidcoHoldingsLLCMember" abstract="true" name="VesscoMidcoHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PPVIntermediateHoldingsLLCMember" abstract="true" name="PPVIntermediateHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SafetyBorrowerHoldingsLLCMember" abstract="true" name="SafetyBorrowerHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MetaBuyerLLCMember" abstract="true" name="MetaBuyerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AAHTopcoLLCMember" abstract="true" name="AAHTopcoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DiamondbackAcquisitionInc.Member" abstract="true" name="DiamondbackAcquisitionInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_HIGOperationsHoldingsInc.Member" abstract="true" name="HIGOperationsHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SupermanHoldingsLLCMember" abstract="true" name="SupermanHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_USRPHoldingsInc.Member" abstract="true" name="USRPHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PioneerBuyerILLCMember" abstract="true" name="PioneerBuyerILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BraveParentHoldingsInc.Member" abstract="true" name="BraveParentHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_VehloPurchaserLLCMember" abstract="true" name="VehloPurchaserLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BullhornInc.Member" abstract="true" name="BullhornInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_LegalSpendHoldingsLLCFkaBottomlineTechnologiesInc.Member" abstract="true" name="LegalSpendHoldingsLLCFkaBottomlineTechnologiesInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BakerTillyAdvisoryGroupLPMember" abstract="true" name="BakerTillyAdvisoryGroupLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_YLGHoldingsInc.Member" abstract="true" name="YLGHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_GCWavesHoldingsInc.Member" abstract="true" name="GCWavesHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MRISoftwareLLCMember" abstract="true" name="MRISoftwareLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ICIMSIncMember" abstract="true" name="ICIMSIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_GHXUltimateParentCorporationMember" abstract="true" name="GHXUltimateParentCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AllworthFinancialGroupL.P.Member" abstract="true" name="AllworthFinancialGroupL.P.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_HoughtonMifflinHarcourtCompanyMember" abstract="true" name="HoughtonMifflinHarcourtCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_LegendsHospitalityHoldingCompanyLLCMember" abstract="true" name="LegendsHospitalityHoldingCompanyLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PetVetCareCentersLLCMember" abstract="true" name="PetVetCareCentersLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_OBHospitalistGroupInc.Member" abstract="true" name="OBHospitalistGroupInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AlAltiusUSBidcoInc.Member" abstract="true" name="AlAltiusUSBidcoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FoundationalEducationGroupInc.Member" abstract="true" name="FoundationalEducationGroupInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FirebirdAcquisitionCorpInc.Member" abstract="true" name="FirebirdAcquisitionCorpInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DiligentCorporationMember" abstract="true" name="DiligentCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_LowVoltageHoldingsInc.Member" abstract="true" name="LowVoltageHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_IcefallParentIncMember" abstract="true" name="IcefallParentIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CoreTrustPurchasingGroupLLCMember" abstract="true" name="CoreTrustPurchasingGroupLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BonterraLLCMember" abstract="true" name="BonterraLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_TrinityAirConsultantsHoldingsCorporationMember" abstract="true" name="TrinityAirConsultantsHoldingsCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ForesideFinancialGroupLLCMember" abstract="true" name="ForesideFinancialGroupLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_RLGHoldingsLLCMember" abstract="true" name="RLGHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PlanviewParentInc.Member" abstract="true" name="PlanviewParentInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MedXHoldingsLLCMember" abstract="true" name="MedXHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_GSAcquisitioncoInc.Member" abstract="true" name="GSAcquisitioncoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PDITAHoldingsInc.Member" abstract="true" name="PDITAHoldingsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FSWhiteWaterBorrowerLLCMember" abstract="true" name="FSWhiteWaterBorrowerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CommunityManagementHoldingsMidCo2LLCMember" abstract="true" name="CommunityManagementHoldingsMidCo2LLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PDQ.COMCorporationMember" abstract="true" name="PDQ.COMCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PackagingCoordinatorsMidcoInc.Member" abstract="true" name="PackagingCoordinatorsMidcoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_GalwayBorrowerLLCMember" abstract="true" name="GalwayBorrowerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_RailProsParentLLCMember" abstract="true" name="RailProsParentLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InfogainCorporationMember" abstract="true" name="InfogainCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_RadwellParentLLCMember" abstract="true" name="RadwellParentLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SmileDoctorsLLCMember" abstract="true" name="SmileDoctorsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_TigerConnectInc.Member" abstract="true" name="TigerConnectInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CentegixIntermediateIILLCMember" abstract="true" name="CentegixIntermediateIILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KENGAcquisitionInc.Member" abstract="true" name="KENGAcquisitionInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DT1MidcoCorp.Member" abstract="true" name="DT1MidcoCorp.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FortisSolutionsGroupLLCMember" abstract="true" name="FortisSolutionsGroupLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ZoneClimateServicesInc.Member" abstract="true" name="ZoneClimateServicesInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KPSKYAcquisitionInc.Member" abstract="true" name="KPSKYAcquisitionInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KeleHoldcoInc.Member" abstract="true" name="KeleHoldcoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KWORAcquisitionInc.Member" abstract="true" name="KWORAcquisitionInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CiklumInc.Member" abstract="true" name="CiklumInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AtlasAUBidcoPtyLtdMember" abstract="true" name="AtlasAUBidcoPtyLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AdelaideBorrowerLLCMember" abstract="true" name="AdelaideBorrowerLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_TennesseeBidcoLimitedMember" abstract="true" name="TennesseeBidcoLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PortagePointPartnersLPMember" abstract="true" name="PortagePointPartnersLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KWORIntermediateILLCMember" abstract="true" name="KWORIntermediateILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AssociationsFinanceInc.Member" abstract="true" name="AssociationsFinanceInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_WEGSubIntermediateHoldingsLLCMember" abstract="true" name="WEGSubIntermediateHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CRCILonghornHoldingsIncMember" abstract="true" name="CRCILonghornHoldingsIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ModelNInc.Member" abstract="true" name="ModelNInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_OEConnectionLLCMember" abstract="true" name="OEConnectionLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_VictorsPurchaserLLCMember" abstract="true" name="VictorsPurchaserLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_JawbreakerParentInc.Member" abstract="true" name="JawbreakerParentInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_WrenchGroupLLCMember" abstract="true" name="WrenchGroupLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FetchInc.Member" abstract="true" name="FetchInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_TheUltimusGroupMidcoLLCMember" abstract="true" name="TheUltimusGroupMidcoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FullsteamOperationsLLCMember" abstract="true" name="FullsteamOperationsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DaxkoAcquisitionCorporationMember" abstract="true" name="DaxkoAcquisitionCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MaverickBidcoInc.Member" abstract="true" name="MaverickBidcoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PikeCorporationMember" abstract="true" name="PikeCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_LighthouseBuyerInc.Member" abstract="true" name="LighthouseBuyerInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_CoupaHoldingsLLCMember" abstract="true" name="CoupaHoldingsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_VamosBidcoInc.Member" abstract="true" name="VamosBidcoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_RunwayBidcoLLCMember" abstract="true" name="RunwayBidcoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_MatterhornFincoInc.Member" abstract="true" name="MatterhornFincoInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_KENEAcquisitionInc.Member" abstract="true" name="KENEAcquisitionInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FirebirdAcquisitionCorpIncMember" abstract="true" name="FirebirdAcquisitionCorpIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_EResearchTechnologyInc.Member" abstract="true" name="EResearchTechnologyInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_IGIntermediateCoLLCMember" abstract="true" name="IGIntermediateCoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DOCSMSOLLCMember" abstract="true" name="DOCSMSOLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DatabricksInc.Member" abstract="true" name="DatabricksInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FundedDebtSecuritiesMember" abstract="true" name="FundedDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_StructuredFinanceObligationsMember" abstract="true" name="StructuredFinanceObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FundedSecuritiesMember" abstract="true" name="FundedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_UnfundedDebtSecuritiesMember" abstract="true" name="UnfundedDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtSecuritiesFirstLienMember" abstract="true" name="DebtSecuritiesFirstLienMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtSecuritiesSecondLienMember" abstract="true" name="DebtSecuritiesSecondLienMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtSecuritiesFloatingInterestRateMember" abstract="true" name="DebtSecuritiesFloatingInterestRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtSecuritiesFixedInterestRateMember" abstract="true" name="DebtSecuritiesFixedInterestRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentsAtFairValueMember" abstract="true" name="InvestmentsAtFairValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentTypeConcentrationRiskMember" abstract="true" name="InvestmentTypeConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_IndustryConcentrationRiskMember" abstract="true" name="IndustryConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InterestRateTypeRiskMember" abstract="true" name="InterestRateTypeRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BusinessServicesSectorMember" abstract="true" name="BusinessServicesSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SoftwareSectorMember" abstract="true" name="SoftwareSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FinancialServicesTechnologyMember" abstract="true" name="FinancialServicesTechnologyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ConsumerServicesSectorMember" abstract="true" name="ConsumerServicesSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_EducationSectorMember" abstract="true" name="EducationSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_BusinessProductsSectorMember" abstract="true" name="BusinessProductsSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_PackagingSectorMember" abstract="true" name="PackagingSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentFundSectorMember" abstract="true" name="InvestmentFundSectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentCompanyNumberOfInvestmentsHeld" abstract="false" name="InvestmentCompanyNumberOfInvestmentsHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nmg4_InvestmentOwnedAtFairValueNonQualifyingAssetsPercentOfTotalAssets" abstract="false" name="InvestmentOwnedAtFairValueNonQualifyingAssetsPercentOfTotalAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_RegulatoryCapitalRequirementsForInvestmentCompaniesTextBlock" abstract="false" name="RegulatoryCapitalRequirementsForInvestmentCompaniesTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="nmg4_OrganizationalExpensesPolicyPolicyTextBlock" abstract="false" name="OrganizationalExpensesPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="nmg4_NewMountainCapitalMember" abstract="true" name="NewMountainCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SaleOfStockOfferingPeriod" abstract="false" name="SaleOfStockOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyInvestmentPeriod" abstract="false" name="InvestmentCompanyInvestmentPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyTermOfCompany" abstract="false" name="InvestmentCompanyTermOfCompany" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyTermOfCompanyFirstExtensionPeriod" abstract="false" name="InvestmentCompanyTermOfCompanyFirstExtensionPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyTermOfCompanySecondExtensionPeriod" abstract="false" name="InvestmentCompanyTermOfCompanySecondExtensionPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyInvestmentOwnedInvestmentObjectiveMiddleMarketBusinessEBITDA" abstract="false" name="InvestmentCompanyInvestmentOwnedInvestmentObjectiveMiddleMarketBusinessEBITDA" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementMember" abstract="true" name="InvestmentManagementAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentOwnedNonaccrualThresholdPeriodPastDue" abstract="false" name="InvestmentOwnedNonaccrualThresholdPeriodPastDue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesBaseRateReductionDueToOrganizationalAndOfferingExpensesThresholdAmount" abstract="false" name="ManagementAndServiceFeesBaseRateReductionDueToOrganizationalAndOfferingExpensesThresholdAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesBaseRateReductionDueToOrganizationalAndOfferingExpensesMultiplier" abstract="false" name="ManagementAndServiceFeesBaseRateReductionDueToOrganizationalAndOfferingExpensesMultiplier" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_RelatedPartyTransactionTerm" abstract="false" name="RelatedPartyTransactionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_FinancialServicesAndTechnologySectorMember" abstract="true" name="FinancialServicesAndTechnologySectorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtAndEquitySecuritiesRealizedGainLossMember" abstract="true" name="DebtAndEquitySecuritiesRealizedGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_DebtAndEquitySecuritiesUnrealizedGainLossMember" abstract="true" name="DebtAndEquitySecuritiesUnrealizedGainLossMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndSettlements" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesAndSettlements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_ValuationMarketAndIncomeApproachMember" abstract="true" name="ValuationMarketAndIncomeApproachMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_OtherValuationTechniqueMember" abstract="true" name="OtherValuationTechniqueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_WellsCreditFacilityDenominatedMember" abstract="true" name="WellsCreditFacilityDenominatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementQuarterlyHurdleRateMember" abstract="true" name="InvestmentManagementAgreementQuarterlyHurdleRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementAnnualizedHurdleRateMember" abstract="true" name="InvestmentManagementAgreementAnnualizedHurdleRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember" abstract="true" name="InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementQuarterlyCatchUpThresholdMember" abstract="true" name="InvestmentManagementAgreementQuarterlyCatchUpThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementAnnualizedCatchUpThresholdMember" abstract="true" name="InvestmentManagementAgreementAnnualizedCatchUpThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember" abstract="true" name="InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementRealizedCapitalGainsAnnualizedCumulativeInternalRateOfReturnThresholdMember" abstract="true" name="InvestmentManagementAgreementRealizedCapitalGainsAnnualizedCumulativeInternalRateOfReturnThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsMember" abstract="true" name="InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsThresholdMember" abstract="true" name="InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsThresholdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentManagementAgreementRealizedCapitalGainsAdditionalUndistributedCumulativeNetRealizedGainsMember" abstract="true" name="InvestmentManagementAgreementRealizedCapitalGainsAdditionalUndistributedCumulativeNetRealizedGainsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ExpenseLimitationAndReimbursementAgreementMember" abstract="true" name="ExpenseLimitationAndReimbursementAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_AdministrationAgreementMember" abstract="true" name="AdministrationAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesBaseRateReductionThroughOneYearAnniversaryOfInitialDrawdownDatePercentage" abstract="false" name="ManagementAndServiceFeesBaseRateReductionThroughOneYearAnniversaryOfInitialDrawdownDatePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesBaseRateMinimumUnderWaiverAgreement" abstract="false" name="ManagementAndServiceFeesBaseRateMinimumUnderWaiverAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesIncentiveRateNumberOfComponents" abstract="false" name="ManagementAndServiceFeesIncentiveRateNumberOfComponents" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nmg4_InvestmentCompanyContractualFeeWaivedIncentiveFee" abstract="false" name="InvestmentCompanyContractualFeeWaivedIncentiveFee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesReturnOfIncentiveFeeUponTerminationOfCompanyCumulativeIncentiveFeesThresholdPercentage" abstract="false" name="ManagementAndServiceFeesReturnOfIncentiveFeeUponTerminationOfCompanyCumulativeIncentiveFeesThresholdPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_ManagementAndServiceFeesReturnOfIncentiveFeeUponTerminationOfCompanyCumulativeInternalRateOfReturnThresholdPercentage" abstract="false" name="ManagementAndServiceFeesReturnOfIncentiveFeeUponTerminationOfCompanyCumulativeInternalRateOfReturnThresholdPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_InvestmentCompanyContractualFeeWaivedManagementFeeSpecifiedExpenseCapCalculationBaseMultiplier" abstract="false" name="InvestmentCompanyContractualFeeWaivedManagementFeeSpecifiedExpenseCapCalculationBaseMultiplier" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_InvestmentCompanyContractualFeeWaivedManagementFeeCapitalCommitmentThresholdAmount" abstract="false" name="InvestmentCompanyContractualFeeWaivedManagementFeeCapitalCommitmentThresholdAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_InvestmentCompanyReimbursementOfCompensationWaivedAndOtherExpensesPeriod" abstract="false" name="InvestmentCompanyReimbursementOfCompensationWaivedAndOtherExpensesPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyRecaptureOfSpecifiedExpensesPeriod" abstract="false" name="InvestmentCompanyRecaptureOfSpecifiedExpensesPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_InvestmentCompanyManagementFeeExpenseAfterReductionOfFeeWaiver" abstract="false" name="InvestmentCompanyManagementFeeExpenseAfterReductionOfFeeWaiver" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nmg4_SecuredOvernightFinancingRateSOFRQuotedRateMember" abstract="true" name="SecuredOvernightFinancingRateSOFRQuotedRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_SecuredOvernightFinancingRateSOFRThreeMonthTermMember" abstract="true" name="SecuredOvernightFinancingRateSOFRThreeMonthTermMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityOutstandingBalanceDueOnDemandPeriod" abstract="false" name="LineOfCreditFacilityOutstandingBalanceDueOnDemandPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityOutstandingBalanceDueAfterDateOfAdvancePeriod" abstract="false" name="LineOfCreditFacilityOutstandingBalanceDueAfterDateOfAdvancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityOutstandingBalanceDueBeforeInvestmentTerminationPeriod" abstract="false" name="LineOfCreditFacilityOutstandingBalanceDueBeforeInvestmentTerminationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacityFirstPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacityFirstPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacitySecondPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacitySecondPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacityThirdPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacityThirdPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacityFourthPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacityFourthPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacityFifthPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacityFifthPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_LineOfCreditFacilityBorrowingCapacitySixthPercentage" abstract="false" name="LineOfCreditFacilityBorrowingCapacitySixthPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember" abstract="true" name="UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_UnfundedDebtSecuritiesBridgeFacilitiesMember" abstract="true" name="UnfundedDebtSecuritiesBridgeFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember" abstract="true" name="UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsDenominatedMember" abstract="true" name="UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsDenominatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_FinancingCommitmentLetterToPurchaseInvestmentsMember" abstract="true" name="FinancingCommitmentLetterToPurchaseInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nmg4_InvestmentCompanyPerShareDataAbstract" abstract="true" name="InvestmentCompanyPerShareDataAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nmg4_InvestmentCompanyRatioToAverageNetAssetsAbstract" abstract="true" name="InvestmentCompanyRatioToAverageNetAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nmg4_InvestmentCompanyExpenseRatioBeforeFeeWaiverAndReimbursements" abstract="false" name="InvestmentCompanyExpenseRatioBeforeFeeWaiverAndReimbursements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_InvestmentCompanyExpenseRatioIncludingFeeWaiverAndReimbursements" abstract="false" name="InvestmentCompanyExpenseRatioIncludingFeeWaiverAndReimbursements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nmg4_InvestmentCompanyContributedCapital" abstract="false" name="InvestmentCompanyContributedCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
