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  <xsd:element id="star_DebtInstrumentCovenantPercentageOfTaxableIncomePermittedForDistributionIfReitClassificationIsMaintained" name="DebtInstrumentCovenantPercentageOfTaxableIncomePermittedForDistributionIfReitClassificationIsMaintained" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="star_UnsecuredNotes4point875PercentSeniorNotesDueJuly2018Member" name="UnsecuredNotes4point875PercentSeniorNotesDueJuly2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotes5Point50PercentSeniorNotesDueJune2012Member" name="UnsecuredNotes5Point50PercentSeniorNotesDueJune2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotes5Point85PercentSeniorNotesDueMarch2017Member" name="UnsecuredNotes5Point85PercentSeniorNotesDueMarch2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotes5Point875PercentSeniorNotesDueMarch2016Member" name="UnsecuredNotes5Point875PercentSeniorNotesDueMarch2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotes6Point05PercentSeniorNotesDueApril2015Member" name="UnsecuredNotes6Point05PercentSeniorNotesDueApril2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotesFivePercentSeniorNotesDueJuly2019Member" name="UnsecuredNotesFivePercentSeniorNotesDueJuly2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotesFourPercentSeniorNotesDueNovember2017Member" name="UnsecuredNotesFourPercentSeniorNotesDueNovember2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotesLiborPlusPoint50PercentSeniorConvertibleNotesDueOctober2012Member" name="UnsecuredNotesLiborPlusPoint50PercentSeniorConvertibleNotesDueOctober2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotesNinePercentSeniorNotesDueJune2017Member" name="UnsecuredNotesNinePercentSeniorNotesDueJune2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredNotesSevenPointOneTwoFivePercentSeniorNotesDueFebruary2018Member" name="UnsecuredNotesSevenPointOneTwoFivePercentSeniorNotesDueFebruary2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="star_UnsecuredSeniorNotesMember" name="UnsecuredSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="star_VariableInterestEntityNumber" name="VariableInterestEntityNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="star_VariableInterestEntityUnfundedCommitment" name="VariableInterestEntityUnfundedCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="star_WeightedAverageNumberOfHpuSharesOutstandingBasicAndDiluted" name="WeightedAverageNumberOfHpuSharesOutstandingBasicAndDiluted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="star_WeightedAverageRiskRatings" name="WeightedAverageRiskRatings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
</xsd:schema>
