private static Query createUserQuery() {
        var builder = new Query.Builder();
        var query = builder.build();
        // Following two properties are used by testing of IN operator (cf. testIn)
        query.properties().set("foostring", "'this', \"might\", work ");
        query.properties().set("foonumeric", "26, 25, -11, 24 ");
        return query;
    }
Specification for the conversion of YQL+ expressions to Vespa search queries.

@author Steinar Knutsen
@author Stian Kristoffersen
container-search/src/test/java/com/yahoo/search/yql/YqlParserTestCase.java