t a new span with a list of tags on the process
  dictionary of the current process and invoke the pre filter.</td></tr>
<tr><td valign="top"><a href="#start_with_tags-3">start_with_tags/3</a></td><td>start a new span with a list of tags on the process
  dictionary of the current process with an existing trace id or a parent
  span.</td></tr>
<tr><td valign="top"><a href="#start_with_tags-4">start_with_tags/4</a></td><td>start a new span with a list of tags on the process
  dictionary of the current process