title: In Flutter, how can I define a baseline for a Stateless widget?
body: <p>I have created a stateless widget, and I want to define a <strong>baseline</strong> for it, so that I can use it with the Baseline widget (<a href="https://docs.flutter.io/flutter/widgets/Baseline-class.html" rel="nofollow noreferrer">https://docs.flutter.io/flutter/widgets/Baseline-class.html</a>).</p>
  
  <p>How can I do that?</p>