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<iterator-tree description="const-folded expr">
<OrIterator>
<SingletonIterator value="xs:boolean(false)"/>
<SingletonIterator value="xs:boolean(false)"/>
<SingletonIterator value="xs:boolean(false)"/>
</OrIterator>
</iterator-tree>
<iterator-tree description="main query">
<FunctionTraceIterator>
<FLWORIterator>
<LetVariable name="$$opt_temp_3" materialize="true">
<CreateInternalIndexIterator name="xs:QName(,,tempIndex0)">
<FLWORIterator>
<ForVariable name="$$opt_temp_1">
<ElementIterator copyInputNodes="false">
<SingletonIterator value="xs:QName(,,b)"/>
</ElementIterator>
</ForVariable>
<ReturnClause>
<ValueIndexEntryBuilderIterator>
<ForVarIterator varname="$$opt_temp_1"/>
<FnStringIterator>
<NodeNameIterator>
<ForVarIterator varname="$$opt_temp_1"/>
</NodeNameIterator>
</FnStringIterator>
</ValueIndexEntryBuilderIterator>
</ReturnClause>
</FLWORIterator>
</CreateInternalIndexIterator>
</LetVariable>
<ForVariable name="rec">
<NodeSortIterator distinct="true" ascending="true">
<ChildAxisIterator test-kind="match_name_test" qname="*" typename="*" nill-allowed="0">
<FnConcatIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,a)"/>
<ElementIterator>
<SingletonIterator value="xs:QName(,,b)"/>
</ElementIterator>
</ElementIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,a)"/>
<ElementIterator>
<SingletonIterator value="xs:QName(,,c)"/>
</ElementIterator>
</ElementIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,x)"/>
<FnConcatIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,x1)"/>
</ElementIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,b)"/>
</ElementIterator>
<ElementIterator>
<SingletonIterator value="xs:QName(,,x2)"/>
</ElementIterator>
</FnConcatIterator>
</ElementIterator>
</FnConcatIterator>
</ChildAxisIterator>
</NodeSortIterator>
</ForVariable>
<ReturnClause>
<IfThenElseIterator>
<FnBooleanIterator>
<ProbeIndexPointValueIterator>
<SingletonIterator value="xs:QName(,,tempIndex0)"/>
<UnhoistIterator>
<HoistIterator>
<FnStringIterator>
<NodeNameIterator>
<ForVarIterator varname="rec"/>
</NodeNameIterator>
</FnStringIterator>
</HoistIterator>
</UnhoistIterator>
</ProbeIndexPointValueIterator>
</FnBooleanIterator>
<FnConcatIterator/>
<ForVarIterator varname="rec"/>
</IfThenElseIterator>
</ReturnClause>
</FLWORIterator>
</FunctionTraceIterator>
</iterator-tree>
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