title: Module '"vue"' has no exported member 'reactive'
body: <p>I am using <code>&quot;vue&quot;: &quot;^3.0.0&quot;</code> and trying to use some <code>Reactivity in Depth</code> from vue. But got error</p>
  <pre><code>Module '&quot;vue&quot;' has no exported member 'reactive'
  Module '&quot;vue&quot;' has no exported member 'ref'
  </code></pre>
  <p>Even document here: <a href="https://v3.vuejs.org/guide/reactivity.html#what-is-reactivity" rel="nofollow noreferrer">https://v3.vuejs.org/guide/reactivity.html#what-is-reactivity</a></p>
  <p>More detail packages</p>
  <pre><code>&quot;vue-class-component&quot;: &quot;^8.0.0-0&quot;,
  &quot;vue-property-decorator&quot;: &quot;^9.1.2&quot;,
  ...
  &quot;@vue/compiler-sfc&quot;: &quot;^3.0.0&quot;,
  </code></pre>
  <p><a href="https://i.stack.imgur.com/U52vi.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/U52vi.png" alt="enter image description here" /></a></p>