 necessary <code>trans.ranges</code>. Please refer to
<code><a href="TranscriptRanges.html">TranscriptRanges</a></code> for more details.
If <code>is.null(trans.ranges)</code> do not add transcript range
information.</p></dd>


<dt id="arg-region">region<a class="anchor" aria-label="anchor" href="#arg-region"></a></dt>
<dd><p>A character string acting as a region identifier, one of
"genome", "exome".</p></dd>


<dt id="arg-flag-mismatches">flag.mismatches<a class="anchor" aria-label="anchor" href="#arg-flag