String extractedQueryName = new String(BaseEncoding.base64().decode(extractedEncoded), StandardCharsets.UTF_8);
        assertEquals(originalQueryName, extractedQueryName);
    }

    public void test_complex_field_names() {
        // Test various complex field names
        String[] fieldNames = { "simple_field", "field-with-dashes", "field.with.dots", "field_with_underscores", "fieldWithCamelCase",