dev/flutter/dart-core/bool-class.html">bool</a>?</span> <span class="parameter-name">pinRequired</span>, </span><span class="parameter" id="copyWith-param-numParticipants"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/int-class.html">int</a>?</span> <span class="parameter-name">numParticipants</span>, </span><span class="parameter" id="copyWith-param-history"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/int-class.html">int</a>?</span> <s