native-field. Strategy is one of <literal>z3950</literal>,
<literal>type7</literal>, <literal>cql</literal>,
<literal>sru11</literal>, or <literal>embed</literal>.
native-field. Strategy is one of <literal>z3950</literal>,
<literal>type7</literal>, <literal>cql</literal>,
<literal>sru11</literal>, or <literal>embed</literal>.