rans-ranges"></a></dt>
<dd><p>Optional. If <code>ref.genome</code> specifies one of the
<code><a href="https://rdrr.io/pkg/BSgenome/man/BSgenome-class.html" class="external-link">BSgenome</a></code> object</p><ol><li><p><code>BSgenome.Hsapiens.1000genomes.hs37d5</code></p></li>
<li><p><code>BSgenome.Hsapiens.UCSC.hg38</code></p></li>
<li><p><code>BSgenome.Mmusculus.UCSC.mm10</code></p></li>
</ol><p>then the function will infer <code>trans.ranges</code> automatically. Otherwise,
user will need to provide the