/** Constant used to indicate that query-based preference should be used for search routing */
    protected static final String PREFERENCE_QUERY = "_query";

    /** Prefix used to identify sort parameters in search queries */
    protected String sortPrefix = "sort:";

    /** Additional query string to be appended to all search queries */

query.collapse.inner.hits.sorts=
# Default languages for queries.
query.default.languages=
# Default preference for JSON queries.
query.json.default.preference=_query
# Default preference for GSA queries.
query.gsa.default.preference=_query
# Language mapping for queries.
query.language.mapping=\
ar=ar\n\
bg=bg\n\
bn=bn\n\
ca=ca\n\
ckb-iq=ckb-iq\n\
ckb_IQ=ckb-iq\n\
cs=cs\n\
da=da\n\

    /** The key of the configuration. e.g.  */
    String QUERY_DEFAULT_LANGUAGES = "query.default.languages";

    /** The key of the configuration. e.g. _query */
    String QUERY_JSON_DEFAULT_PREFERENCE = "query.json.default.preference";

    /** The key of the configuration. e.g. _query */
    String QUERY_GSA_DEFAULT_PREFERENCE = "query.gsa.default.preference";

    /** The key of the configuration. e.g. ar=ar<br>
     * bg=bg<br>

        assertEquals(1, context.sortBuilders().size());
        assertTrue(context.sortBuilders().get(0).toString().contains("asc"));
    }

    public void test_constant_preferenceQuery() {
        assertEquals("_query", QueryHelper.PREFERENCE_QUERY);
    }