code: public static final void info(TraceComponent tc, Suppressor s, String msgKey) {
      info(tc, s, msgKey, null);
    }
docs: Forward an Info message event to all registered
  <code>TraceEventListener</code>s if permitted by the Suppressor.
  Each <code>TraceEventListener</code> will then
  determine whether to log or ignore the forward event.
  <p>
  @param tc the non-null <code>TraceComponent</code> the event is associated
  with.
  @param s the Suppressor that will determine if this message should be
  suppressed or not.
  @param msgKey the message key identifying an NLS message for this event.
  This message takes no substitution parameters and must be in the
  resource bundle currently associated with the
  <code>TraceComponent</code>.