an></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/paraswap/paraswap-sdk/blob/master/src/methods/swap/transaction.ts#L21">src/methods/swap/transaction.ts:21</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="gas" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Optional</code><span>gas</span><a href="#gas" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use><