public static StatementExpression fromString(String expression, Linguistics linguistics, Map<String, Embedder> embedders) throws ParseException {
        return newInstance(new ScriptParserContext(linguistics, Map.of(), embedders, Map.of()).setInputStream(new IndexingInput(expression)));
    }
Creates an expression with simple lingustics for testing
indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/StatementExpression.java