maybeWhen<TResult extends Object?>  method 
- @optionalTypeArgs
- TResult $default()?, {
- required TResult orElse(),
A variant of when that fallback to an orElse callback.
It is equivalent to doing:
switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}
Implementation
@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String $type,  String did,  String handle,  String? email,  List<Map<String, dynamic>>? relatedRecords,  DateTime indexedAt, @InviteCodeConverter()  InviteCode? invitedBy, @InviteCodeConverter()  List<InviteCode>? invites,  bool? invitesDisabled,  DateTime? emailConfirmedAt,  String? inviteNote,  DateTime? deactivatedAt, @ThreatSignatureConverter()  List<ThreatSignature>? threatSignatures,  Map<String, dynamic>? $unknown)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _AccountView() when $default != null:
return $default(_that.$type,_that.did,_that.handle,_that.email,_that.relatedRecords,_that.indexedAt,_that.invitedBy,_that.invites,_that.invitesDisabled,_that.emailConfirmedAt,_that.inviteNote,_that.deactivatedAt,_that.threatSignatures,_that.$unknown);case _:
  return orElse();
}
}