class AppStats { final int totalClients; final int avgVolume; final double revenueOpportunity; final int todayEntries; final int pendingFollowups; const AppStats({ required this.totalClients, required this.avgVolume, required this.revenueOpportunity, required this.todayEntries, required this.pendingFollowups, }); AppStats copyWith({ int? totalClients, int? avgVolume, double? revenueOpportunity, int? todayEntries, int? pendingFollowups, }) { return AppStats( totalClients: totalClients ?? this.totalClients, avgVolume: avgVolume ?? this.avgVolume, revenueOpportunity: revenueOpportunity ?? this.revenueOpportunity, todayEntries: todayEntries ?? this.todayEntries, pendingFollowups: pendingFollowups ?? this.pendingFollowups, ); } }