<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 17-September-2026 [10:09:06] {PM}-->
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        <link:usedOn>link:definitionLink</link:usedOn>
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  <element name="LimitsofRiskDisclosuresMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="kbonu_LimitsofRiskDisclosuresMember" substitutionGroup="xbrli:item" />
  <element name="RisksRelatedToSpecificInvestmentsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="kbonu_RisksRelatedToSpecificInvestmentsMember" substitutionGroup="xbrli:item" />
  <element name="RisksRelatedToTheStructureOfTheFundMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="kbonu_RisksRelatedToTheStructureOfTheFundMember" substitutionGroup="xbrli:item" />
</schema>
