id="copyWith-param-username"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a>?</span> <span class="parameter-name">username</span>, </span><span class="parameter" id="copyWith-param-credential"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a>?</span> <span class="parameter-name">credential</span>, </span><span class="parameter" id="copyWith-param-urls"><span class="type-annotation"><a 