 class="line"><span style="--shiki-dark:#6A737D;--shiki-light:#6A737D;">/**</span></span>
<span class="line"><span style="--shiki-dark:#6A737D;--shiki-light:#6A737D;"> * 该动作的下一步方法</span></span>
<span class="line"><span style="--shiki-dark:#6A737D;--shiki-light:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-dark:#B392F0;--shiki-light:#6F42C1;">next</span><span style="--shiki-dark:#E1E4E8;--shiki-light:#24292E;">(): </span><span style="--shiki-dark:#F97583;--shiki-light: