dark:#B392F0;--shiki-light:#6F42C1;">History</span><span style="--shiki-dark:#E1E4E8;--shiki-light:#24292E;">(step</span><span style="--shiki-dark:#F97583;--shiki-light:#D73A49;">?:</span><span style="--shiki-dark:#E1E4E8;--shiki-light:#24292E;"> number): History</span></span></code></pre></div><h2 id="属性" tabindex="-1">属性 <a class="header-anchor" href="#属性" aria-label="Permalink to &quot;属性&quot;">​</a></h2><h3 id="actionlist" tabindex="-1">actionList <a class="header-anchor" href="#actio