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  <xs:element id="hlne_EstablishmentOfLeaseLiabilityInExchangeForRightOfUseAsset" abstract="false" name="EstablishmentOfLeaseLiabilityInExchangeForRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_DeconsolidationOfNetAssetsLiabilitiesHeldByDeconsolidatedFund" abstract="false" name="DeconsolidationOfNetAssetsLiabilitiesHeldByDeconsolidatedFund" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_NoncashTransactionInvestmentsAcquiredBySubsidiariesAndAffiliates" abstract="false" name="NoncashTransactionInvestmentsAcquiredBySubsidiariesAndAffiliates" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_DeconsolidationOfInvestmentsHeldByDeconsolidatedFund" abstract="false" name="DeconsolidationOfInvestmentsHeldByDeconsolidatedFund" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_TransferOfEquityMethodInvestmentInPartnershipsFromDeconsolidatedFund" abstract="false" name="TransferOfEquityMethodInvestmentInPartnershipsFromDeconsolidatedFund" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_NoncashPurchaseOfOtherEquityMethodInvestment" abstract="false" name="NoncashPurchaseOfOtherEquityMethodInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_EstablishmentOfPayableToRelatedPartiesPursuantToTaxReceivableAgreement" abstract="false" name="EstablishmentOfPayableToRelatedPartiesPursuantToTaxReceivableAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_MemberDistributionDeclared" abstract="false" name="MemberDistributionDeclared" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_ValuedUnderMeasurementAlternativeMember" abstract="true" name="ValuedUnderMeasurementAlternativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="hlne_IncentiveFeeRevenueCarriedInterestUnrecordedEstimate" abstract="false" name="IncentiveFeeRevenueCarriedInterestUnrecordedEstimate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_IncentiveFeeCompensationExpenseUnrecordedEstimate" abstract="false" name="IncentiveFeeCompensationExpenseUnrecordedEstimate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="hlne_AccruedDiscretionaryBonusPercentage" abstract="false" name="AccruedDiscretionaryBonusPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="hlne_EmployeeLoansPayableToThirdParty" abstract="false" name="EmployeeLoansPayableToThirdParty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
