}
        }

        if (ResourceUtil.getResourceNoException("org/h2/Driver.class") != null) {
            list.add("h2");
        }

        if (ResourceUtil.getResourceNoException("com/mysql/jdbc/Driver.class") != null) {
            list.add("mysql");
        }

        if (ResourceUtil.getResourceNoException("oracle/jdbc/driver/OracleDriver.class") != null) {
            list.add("oracle");

        if (typeObj != null) {
            final String path = "suggest_indices/_" + typeObj.toString() + "/suggest_analyzer.json";
            if (ResourceUtil.getResourceNoException(path) != null) {
                return path;
            }
        }
        return "suggest_indices/suggest_analyzer.json";
    }

    /**
     * Loads the index mapping from a resource file.