title: How can I know which Qt quick version in my system before importing that?
body: <p>By <code>qVersion()</code> I will get the Qt version as <code>5.13.1</code></p>
  
  <p>But in QML I use <code>import QtQuick 2.12</code>. How to get the QtQuick version  C++/QML (<code>2.12</code>)?</p>