t.Error(err)
	}

	if string(toJSONString(got)) != string(toJSONString(want)) {
		t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
	}
}

type LevelA1 struct {
	ID    uint
	Value string
}

type LevelA2 struct {
	ID       uint
	Value    string

    public void testToJsonString() {
        // Test toJsonString method
        String[] text = { "json", "test" };
        String[][] readings = { { "json" }, { "test" } };
        String[] tags = { "tag1" };

        SuggestItem item = new SuggestItem(text, readings, null, 0L, 10L, 1.0f, tags, null, null, SuggestItem.Kind.QUERY);

        String json = item.toJsonString();

        assertNotNull(json);

        logger.info(msg);
        if (logger.isDebugEnabled()) {
            for (final SuggestItem item : items) {
                logger.debug("[{}] {}", type, item.toJsonString());
            }
        }
    }

    /**
     * Indexes documents from a DocumentReader asynchronously.
     * @param reader The supplier for DocumentReader.

    }

    /**
     * Converts the suggest item to a JSON string.
     * @return The JSON string representation of the suggest item.
     */
    public String toJsonString() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append('{').append('"').append(FieldNames.TEXT).append("\":").append(convertJsonString(text));

        for (int i = 0; i < readings.length; i++) {