ecord(msg, annotation)</code> - attaches string annotation to message trace timeline.
            Such annotations can be used by <code>annotation</code> filter in Web UI.</li>
        <li>
            <code>trace.recordKeyValue(msg, key, value)</code> - annotates trace by key-value pair,
            where value can be represented by String, Short, Int, Long, Boolean, Double or Array[Byte].
            This kind of annotations can be used by <code>key-value</code> filter in Web UI.</li>
        <li>
       