e="--shiki-dark:#6A737D;--shiki-light:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-dark:#B392F0;--shiki-light:#6F42C1;">clear</span><span style="--shiki-dark:#E1E4E8;--shiki-light:#24292E;">(): </span><span style="--shiki-dark:#F97583;--shiki-light:#D73A49;">void</span></span></code></pre></div><h1 id="动作" tabindex="-1">动作 <a class="header-anchor" href="#动作" aria-label="Permalink to &quot;动作&quot;">​</a></h1><p>所有的历史动作基类，提供基础的<code>api</