g-class.html">String</a>?</span> <span class="parameter-name">author</span>, </span></li>
<li><span class="parameter" id="copyWith-param-description"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a>?</span> <span class="parameter-name">description</span>, </span></li>
<li><span class="parameter" id="copyWith-param-versionString"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a>?</span> 