<b>interface</b> 接口
<b>class</b> 类
<b>let</b> 创建私有变量
<b>break</b>
<b>as</b>
<b>any</b>
<b>switch</b>
<b>case</b>
<b>if</b>
<b>throw</b>
<b>else</b>
<b>var</b>
<b>number</b>
<b>string</b>
<b>get</b>
<b>module</b>
<b>type</b>
<b>instanceof</b>
<b>typeof</b>
<b>public</b>
<b>private</b>
<b>enum</b>
<b>export</b>
<b>finally</b>
<b>for</b>
<b>while</b>
<b>void</b>
<b>null</b>
<b>super</b>
<b>this</b>
<b>new</b>
<b>in</b>
<b>extends</b>
<b>static</b>
<b>package</b>
<b>implements</b>
<b>interface</b>
<b>continue</b>
<b>yield</b>
<b>const</b>