title: How can I use delegate object as member params in kotlin
body: <pre class="lang-kotlin prettyprint-override"><code>class Test : IPlayer by VideoPlayerHelper() as mPlayer {
  
      fun startTest() {
          mPlayer.start()
      }
  }
  </code></pre>
  <p>There is syntax error in mPlayer
  How can I use mPlayer as member param?</p>