<?xml version="1.0" encoding="utf-8"?>
<form>
    <fieldset name="general">
        <field name="operator" type="comparator"/>
        <field name="value" type="contentlanguage" 
            label="NR_ASSIGN_LANGS" 
            description="NR_ASSIGN_LANGS_LIST_DESC" 
            multiple="true"
            class="hasChosen"
        />
    </fieldset>
</form>