end</code></strong></dt>
<dd>end offset of the span</dd>
</dl>
<h2 id="returns">Returns</h2>
<p><code>True</code> if within, <code>False</code> otherwise</p></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">@support_annotation_or_set
def iswithin(self, start: int, end: int) -&gt; bool:
    &#34;&#34;&#34;
    Checks if this span is within the given span, annotation or
    annotation set, i.e. both the start and end offsets of this annotation
    a