0.11.1</td>
<td><p><span>Added in: v0.11.1</span></p></td></tr>
</tbody></table>
</details>
</div>

<p>Each zlib-based class takes an <code>options</code> object. No options are required.</p>
<p>Some options are only relevant when compressing and are
ignored by the decompression classes.</p>
<ul>
<li><code>flush</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type">&#x3C;integer></a> <strong>Default:</strong> <code>zlib.constants.Z_NO_FLUSH</code><