--- /dev/null
+<searchClause>
+ <prefixes>
+ <prefix>
+ <name>dc</name>
+ <identifier>x</identifier>
+ </prefix>
+ </prefixes>
+ <index>b</index>
+ <relation>
+ <value>=</value>
+ </relation>
+ <term>c</term>
+ <sortKeys>
+ <key>
+ <index>d</index>
+ </key>
+ </sortKeys>
+</searchClause>