document.put("list_field", java.util.Arrays.asList("value4", "value5"));
        document.put("int_field", 123);

        String[] stringValues = defaultContentsParser.getFieldValues(document, "string_field");
        assertEquals(1, stringValues.length);
        assertEquals("value1", stringValues[0]);

        String[] arrayValues = defaultContentsParser.getFieldValues(document, "string_array_field");