// Test constructor with all parameters
        String[] text = { "test", "text" };
        String[][] readings = { { "reading1" }, { "reading2" } };
        String[] fields = { "field1", "field2" };
        String[] tags = { "tag1", "tag2" };
        String[] roles = { "role1", "role2" };
        String[] languages = { "en", "ja" };
        SuggestItem.Kind kind = SuggestItem.Kind.QUERY;

        // Test constructor with all parameters
        String word = "test word";
        float boost = 2.5f;
        List<String> readings = Arrays.asList("reading1", "reading2");
        List<String> fields = Arrays.asList("field1", "field2");
        List<String> tags = Arrays.asList("tag1", "tag2");
        List<String> roles = Arrays.asList("role1", "role2");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);

// JSON utilities with proper escaping
String escaped = JsonUtil.escape("Hello \"World\" with special chars");
String unescaped = JsonUtil.unescape(escaped);

// Text tokenization
Tokenizer tokenizer = new Tokenizer("field1,field2,field3", ",");
while (tokenizer.hasMoreTokens()) {
    String token = tokenizer.nextToken();
    // Process each token
}

// Decimal formatting

        // Test creating bulk line for indexing
        SuggestItem item = new SuggestItem(new String[] { "test text" }, new String[][] { { "reading1" }, { "reading2" } },
                new String[] { "field1", "field2" }, 10, // queryFreq
                5, // docFreq
                2.0f, // userBoost
                new String[] { "tag1", "tag2" }, new String[] { "role1" }, new String[] {}, // languages