1
import module namespace xqxq = 'http://www.zorba-xquery.com/modules/xqxq';
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variable $query-key2 := xqxq:prepare-main-module('declare variable $c external; $c');
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variable $query-key := xqxq:prepare-main-module('declare variable $a external;declare variable $d := "hi"; $a');
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xqxq:external-variables($query-key)
b'\\ No newline at end of file'